Basic build problem

[daniel]

This post is a good summary:

JUCE 6: why is a new default plugin project requiring "juce::" in front of everything?

Because defining common names (such as Point and AudioBuffer) in the global scope can lead to ambiguities or clashes. See the following threads for the recent pain that not using juce:: by default resulted in: JUCE is busted in Xcode 11.4 Reference to Audiobuffer is ambiguous JUCE won't build - latest dev tip on XCode 11 Demo Runner errors - Reference to 'Point' is ambiguous - “DemoRunner” is damaged and can’t be opened Reference to 'AudioBuffer' is ambiguous Reference to 'Point' is ambiguous …