tce-load -i compiletc util-macros libtool-dev libxcb-dev xorg-proto libXext-dev Xorg-7.7-bin libXfixes-dev libXrandr-dev.tcz

cd libxpresent

CC="gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -mtune=generic -Os -pipe -fno-exceptions -fno-rtti" ./autogen.sh
find . -name Makefile -type f -exec sed -i 's/-g -O2//g' {} \;
make
sudo make install