tce-load -i compiletc libX11-dev

wget https://xcb.freedesktop.org/dist/xcb-util-0.4.1.tar.xz

cd xcb-util-0.4.1
cd ../xcb-util-image-0.4.1
cd ../xcb-util-keysyms-0.4.1
cd ../xcb-util-renderutil-0.3.10
cd ../xcb-util-wm-0.4.2
cd ../xcb-util-cursor-0.1.4

CC="gcc -flto -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe -Wno-error=format-extra-args" CXX="g++ -flto -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --disable-static --localstatedir=/var --sysconfdir=/etc --without-doxygen

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

make [0m 2.00s]
sudo make install