tce-load -i compiletc xorg-server-dev 

https://www.x.org/releases/individual/driver/xf86-video-dummy-0.3.8.tar.bz2

cd xf86-video-dummy-0.3.8

CC="gcc -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe" CXX="g++ -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --disable-static --localstatedir=/var --sysconfdir=/etc

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

make [0m 2.10s]
make install