tce-load -i compiletc meson py3.9cairo-dev gobject-introspection-dev

wget https://download.gnome.org/sources/pygobject/3.46/pygobject-3.46.0.tar.xz

cd pygobject-3.46.0

mkdir build
cd build

CC="gcc -flto -march=i486 -mtune=i686 -Os -pipe" CXX="g++ -flto -march=i486 -mtune=i686 -Os -pipe -fno-exceptions -fno-rtti" meson --prefix=/usr/local --localstatedir=/var --buildtype=plain

ninja [0m 13.14s]
sudo ninja install

pygobject 3.46.0

  User defined options
    buildtype    : plain
    localstatedir: /var
    prefix       : /usr/local