tce-load -i compiletc libXext-dev

wget https://www.x.org/archive//individual/lib/libXScrnSaver-1.2.5.tar.xz

cd libXScrnSaver-1.2.5

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

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

make [0m 0.39s]
sudo make install