Developing on Mac Catalina 10.15

Maximiliano Tabacman mtabacman at yahoo.com
Sat Feb 15 07:02:45 EST 2020


Hi. The Pharo application I developed is offered to users in Windows, Linux and macOS based on the three VMs available on the Pharo website.I basically download the VM, add my image and some resources, rename stuff and put a nice icon, and it's ready to be deployed.Now, since mac updated their users to Catalina (10.15), I've noticed that my application won't work anymore, and it seems to be related to the signature required by Apple.
If I download the Pharo VM from https://files.pharo.org/get-files/80/pharo64-mac-stable.zipand run it, it works.
If I open the package contents and add stuff inside the /Resources directory, the application seems to still be working (with those minor changes it would even still just open Pharo and not my app).BUT if I upload it to my Google Drive, and then download it, it no longer works, stating that it's broken and must be moved to the trash.
If instead of adding stuff inside I just rename it and change its icon, I can upload and download it and it opens Pharo normally.
So I'm guessing, since the _CodeSignature directory was not present in older Pharo Mac VMs, that someone knows how to work with those signatures, and that it must be the key that's missing to make it work.
Can anyone point me in the right direction? Any tutorial, mail discussion, or whatever that might tell me how they made it work for Pharo might help me make the changes I need to the .app and get my product working.
Thanks!
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