tce-load -i xorg-proto Xorg-7.7-libs-dev udev-dev automake libtool-dev

cd libdrm-2.4.70

sed -e "/pthread-stubs/d" -i configure.ac
autoreconf -fi

CC="gcc -flto -fuse-linker-plugin -march=i486 -mtune=i686 -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -march=i486 -mtune=i686 -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --disable-static --localstatedir=/var --enable-udev

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

make
make install

libdrm 2.4.70 will be compiled with:

  libkms         yes
  Intel API      yes
  vmwgfx API     yes
  Radeon API     yes
  AMDGPU API     yes
  Nouveau API    yes
  OMAP API       no
  EXYNOS API     no
  Freedreno API  no (kgsl: no)
  Tegra API      no
  VC4 API        no