tce-load -i compiletc pulseaudio-dev libxkbcommon-dev

wget http://www.libsdl.org/release/SDL2-2.0.16.tar.gz

cd SDL2-2.0.16

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

find . -name Makefile -type f -exec sed -i 's/-g -O3//g' {} \;

make [1m 16.77s]
sudo make install

SDL2 Configure Summary:
Building Shared Libraries
Enabled modules : atomic audio video render events joystick haptic sensor power filesystem threads timers file loadso cpuinfo assembly
Assembly Math   : mmx 3dnow sse
Audio drivers   : disk dummy oss alsa(dynamic) pulse(dynamic)
Video drivers   : dummy x11(dynamic) kmsdrm(dynamic) opengl opengl_es1 opengl_es2 vulkan
X11 libraries   : xcursor xdbe xinerama xinput2 xinput2_multitouch xrandr xscrnsaver xshape xvidmode
Input drivers   : linuxev linuxkd
Enable virtual joystick APIs : YES
Using libsamplerate : NO
Using libudev       : YES
Using dbus          : YES
Using ime           : YES
Using ibus          : NO
Using fcitx         : YES