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git clone https://github.com/eterey/qmodmaster.git cd qmodmaster mkdir build && cd build cmake .. -DCMAKE_PREFIX_PATH=$(brew --prefix qt@5) make Then run ./qmodmaster from the build folder. macOS locks down /dev/cu.usbserial-* pretty aggressively. Even after chmod 666 , you’ll need to grant the terminal app (or the binary itself) full disk access and explicitly allow it in Privacy → Full Disk Access and Privacy → System Policy .
💡 Workaround : Use a sudo launch or create a launchd plist to elevate permissions — but that’s clunky. Better: add your user to _serialaccess group (though that group is deprecated in recent macOS). Some macOS builds of Qt5 miss serialport support. If you see “no serial ports found,” reinstall Qt with serialport:
git clone https://github.com/eterey/qmodmaster.git cd qmodmaster mkdir build && cd build cmake .. -DCMAKE_PREFIX_PATH=$(brew --prefix qt@5) make Then run ./qmodmaster from the build folder. macOS locks down /dev/cu.usbserial-* pretty aggressively. Even after chmod 666 , you’ll need to grant the terminal app (or the binary itself) full disk access and explicitly allow it in Privacy → Full Disk Access and Privacy → System Policy .
💡 Workaround : Use a sudo launch or create a launchd plist to elevate permissions — but that’s clunky. Better: add your user to _serialaccess group (though that group is deprecated in recent macOS). Some macOS builds of Qt5 miss serialport support. If you see “no serial ports found,” reinstall Qt with serialport: