Migrating my projects to JUCE 5 is causing problems on Windows

[yfede]

@fabian

I’ll play around with this and see if this would be a better way to do multi-target exporters.

When doing so, please also consider the issues reported by @chkn in this other topic:

Multi-target project exporters

Similarly to Projucer’s Xcode exporter, JUCE will now create multi-target IDE projects on all platforms. This means that each plug-in format is now individually linked and that they only include the code that is needed for that plug-in format. Multi-target support is needed to support modern plug-in formats which often run sandboxed and need special linker flags (such as AudioUnitv3 or the new “Standalone” target). It also results in slightly smaller binaries in release mode as code for other p…