(Jan-15-2019, 07:34 AM)ersa21 Wrote: What do you mean y building that OS?Is't simple you say use Ubuntu 18.04,then you can not build .exe for Windows.
There is Wine that can used to run pyinstaller in,but in general is better to build in Windows if need .exe.
Pyinstaller is not a cross-compiler,if your on Linux you build for Linux,same for Windows.