How to bundle external libraries (e.g. OpenCV) with a JUCE plugin for macOS

[Cymatic]

This is what worked for me, see if this helps you:

Ableton Live 11 fails to resolve rpath of dylib in VST3 plug-in, but other DAWs work

I have a VST3 plug-in that uses a precompiled dynamic C library (libphonon). On Windows, I put the .dll in C:\Windows\system32, and it works as expected in all hosts/DAWs that I’ve tried. Unfortunately, I don’t have access to the source of the dynamic library. On macOS, I place the dylib in /usr/local/lib, and it works fine on all hosts that I’ve tried except for Ableton Live 11. The machine I’m testing on has an M1 processor/Apple silicon. I’m compiling against JUCE 7.0.4. When I don’t link wi…