Hi,
option Quick Settings / Include Paths in MCUXpresso IDE is adding a new path only for the C compiler, not for C++. Of course, adding a path to the C++ configuration is easy, but it's not "quick" already.
So possible improvements in the future...
Petr
Thanks for your suggestion. I created a ticket for your request and we'll discuss it internally.
Regards,
MCUXpresso IDE Support
Personally, I like to keep the include paths for C++ and C separate, but I see that this is not the case for everyone. Did you see that you can simply copy-paste the entries from one setting to the other? This is what I use if I have to 'transfer' include path settings.