tce-load -i compiletc Xorg-7.7-3d-dev

wget https://www.x.org/archive//individual/xserver/xorg-server-1.20.11.tar.bz2

cd xorg-server-1.20.11

patch -Np1 -i ../xorg-server-1.19.3-add_prime_support-1.patch
patch -Np1 -i ../xorg-server-1.20.3_sysmacros.patch

CC="gcc -march=i486 -mtune=i686 -Os -pipe" CXX="g++ -march=i486 -mtune=i686 -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local -disable-static --localstatedir=/var --sysconfdir=/etc --libexecdir=/usr/local/lib/xorg --enable-glamor --enable-install-setuid --enable-suid-wrapper --disable-systemd-logind --with-xkb-output=/var/lib/xkb --with-fontrootdir=/usr/local/lib/X11/fonts --with-sha1=libcrypto

[flto fails]

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

make [3m 24.13s]
sudo make install

mkdir -pv /etc/X11/xorg.conf.d &&
cat >> /etc/sysconfig/createfiles << "EOF"
/tmp/.ICE-unix dir 1777 root root
/tmp/.X11-unix dir 1777 root root
EOF