mingw-w64-glib2
mingw-w64-gobject-introspection
mingw-w64-gtk-doc
mingw-w64-itstool
Note that the shabbang should be a file name and not "/usr/bin/env python2.exe" or something like that. The env command is for accessing something in the environment. I think this could be effecting some Gnome-build scripts.
Various gnome related mingw packages makedepend on it and we only have
a cygwin version atm.
This in combination with the .exe wrapper makes it work with meson.