Introjucer multiple "Extra Compiler Flags"

The following (using a space to separate the flags) generates an unreadable xcode proj (Project cannot be parsed);

but with a semicolon (:wink:

This works, but adds my second item to a ā€œuser definedā€ area.

Thanks, I think I just need to make sure it has quotes around it - will sort that outā€¦