tce-load -i compiletc automake libtool-dev intltool xorg-server-dev Xorg-7.7-3d-dev

cd xf86-video-intel-20190208

[i686]
sed -i "s/#define force_inline inline __attribute__((always_inline))/#define force_inline inline/" src/sna/compiler.h

./autogen.sh

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-kms-only --with-default-dri=3

[fails with -flto]
lto1: out of memory allocating 65536 bytes after a total of 2547347456 bytes
lto-wrapper: fatal error: gcc returned 1 exit status
compilation terminated.

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

make [0m 59.01s]
sudo make install

xf86-video-intel
Open-source X.org graphics driver for Intel graphics
https://01.org/linuxgraphics/

What is xf86-video-intel
------------------------
The xf86-video-intel module is an open-source 2D graphics driver for
the X Window System as implemented by X.org. It supports a variety of
Intel graphics chipsets including:

        i810/i810e/i810-dc100,i815,
        i830M,845G,852GM,855GM,865G,
        915G/GM,945G/GM/GME,946GZ
        G/GM/GME/Q965,
        G/Q33,G/Q35,G41,G/Q43,G/GM/Q45
        PineView-M (Atom N400 series)
        PineView-D (Atom D400/D500 series)
        Intel(R) HD Graphics,
        Intel(R) Iris(TM) Graphics,
        Intel(R) Iris(TM) Pro Graphics.

xf86-video-intel 2.99.917 will be compiled with:
  Xorg Video ABI version: 24.0 (xorg-server-1.20.4)
  pixman version: pixman-1-0.34.0
  Acceleration backends: none *sna uxa
  Additional debugging support? none
  Support for Kernel Mode Setting? yes
  Support for legacy User Mode Setting (for i810)? no
  Support for Direct Rendering Infrastructure: DRI2 *DRI3 Present
  Support for Xv motion compensation (XvMC and libXvMC): yes
  Support for display hotplug notifications (udev): yes
  Build additional tools and utilities? xf86-video-intel-backlight-helper intel-virtual-output