tce-load -i compiletc meson js78-dev gobject-introspection-dev gtk3-dev gtk3-gir gtk4-dev gtk4-gir

wget https://ftp.gnome.org/pub/GNOME/sources/gjs/1.68/gjs-1.68.0.tar.xz

cd gjs-1.68.0

mkdir build-gjs
cd build-gjs

CC="gcc -flto -mtune=generic -Os -pipe" CXX="g++ -flto -mtune=generic -Os" meson --prefix=/usr/local --localstatedir=/var --libexecdir=/usr/local/lib --buildtype=plain -Dinstalled_tests=false

[-fno-exceptions fails]

ninja [1m 1.42s]
sudo ninja install

sudo ln -sfv gjs-console /usr/local/bin/gjs