tce-load -i automake libtool-dev Xorg-7.7-dev xorg-server-dev

cd xinput_calibrator

CC="gcc -flto -fuse-linker-plugin -march=i486 -mtune=i686 -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -march=i486 -mtune=i686 -Os -pipe" ./autogen.sh --prefix=/usr/local --sysconfdir=/etc --localstatedir=/var

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

make
sudo make install