tce-load -wi compiletc libX11-dev libXi-dev libXfixes-dev libev-dev

https://github.com/Airblader/unclutter-xfixes/archive/refs/tags/v1.6.tar.gz

cd unclutter-xfixes-1.6

Makefile edits:
PREFIX = /usr/local
CC = gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe
CFLAGS += -std=gnu99 -mtune=generic -Os -pipe

make [0m 1.80s] [creates unclutter-xfixes-1.6/unclutter]