- Remove
hombrew
/macports
completely or setup a clean macOS VM - Get the GTK+ setup shell script to setup the build environment. Everything which is installed from now on will be bundled with the macOS application later on: [https://wiki.gnome.org/Projects/GTK+/OSX/Building][1]
./gtk-osx-build-setup.sh
alias jhbuild="PATH=gtk-prefix/bin:$PATH jhbuild"
jhbuild bootstrap
jhbuild build python3