tce-load -i compiletc

wget https://tukaani.org/xz/xz-5.4.3.tar.xz

cd xz-5.4.3

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

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

make [0m 16.01s]
sudo make install