tce-load -i intltool gtk3-dev gnome-desktop-dev upower-dev json-glib-dev

gnome-session-3.10.1

CC="gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -mtune=generic -Os -pipe"  ./configure --prefix=/usr/local --disable-static --disable-man --localstatedir=/var --libexecdir=/usr/local/lib/gnome-session

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

make
sudo make install