I have no problem compiling juce in windows, but compiling with xocde on mac, although it works, but when I open the plugin through the daw, it shows that it contains malware?
You will need to sign/notarize it if you plan to distribute it:
It should run on the computer you build it on though…
If the plugin is just for you, you can remove the quarantine flag or code sign it to run locally.