I need to automate a cross-platform application build. Entire build runs on Windows machine. Part of it is written in Python and compiles for OS X. Currently this part of bu
You can use a docker image https://github.com/sickcodes/Docker-OSX like this to simulate a mac computer.
Then from this simulated mac you could install the pyinstaller and run your command from there.
This would then produce the desired file.
Some people do the same way to create windows executables using pyinstaller on linux.
I dont see why this could not work from windows to mac.