sysincludepath confusion

Hi,

Is it by design that <sysincludepath> task using GCC translates to -I
(normal include) instead of -isystem (system include) on GCC?
Intuitively, I'd assume that it would use -isystem since that is how
you include system headers in GCC.

Is there a way I can manually change this functionality to use
-isystem instead?  I am looking through the codebase and I can't seem
to find out where this translation is done.

Thanks,
J

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