tce-load -i compiletc gnutls38-dev

wget https://chrony-project.org/releases/chrony-4.8.tar.gz

cd chrony-4.8

CC="gcc -flto -mtune=generic -Os -pipe" CXX="g++ -flto -mtune=generic -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --localstatedir=/var --with-hwclockfile=/var/lib/hwclock/adjtime

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

make [0m 18.61s]
sudo make install