Hello, I'm the author of python-libusb1, a pure-python ctypes wrapper for libusb1. Until recently, I had been purely relying on OS-linker-provided libusb1 (distro-installed on GNU/Linux and *BSD, fink/macports/... on OSX, ...). Then, I've been requested to bundle the libusb1 dll on windows (x86 and x86_64 wheels) because otherwise distributions seems exceedingly painful for applications using my module. With some extra code to setup.py to fetch, unzip and copy[1] the dlls, plus a now even more multi-stage distribution process (sdist, both windows wheels, in addition to the existing sign and twine steps), and it ipso facto works. Now, I'm asked to add pyinstaller compatibility, as it on its own overlooks the dll. Which makes me feel that I am maybe not using the best possible way to bundle these. From my reading of distutils and setuptools, my understanding is that a package is that non-pure-python packages contain: - stuff they built themselves (build_ext & friends) - third-party libraries that the stuff they built themselves is linked against Having nothing to build, I cannot seem to reach the library inclusion step. What is the recommended way of bundling a third-party-built arch-dependent library in an otherwise pure-python package ? [1] https://github.com/vpelletier/python-libusb1/blob/49f7f846bdd3c3d0f2ec3a01c2... Regards, -- Vincent Pelletier GPG fingerprint 983A E8B7 3B91 1598 7A92 3845 CAC9 3691 4257 B0C1