> On Mar 6, 2019, at 4:55 AM, Boris Kolpackov <boris_at_codesynthesis.com> wrote:
>
> Gabriel Dos Reis via Modules <modules_at_lists.isocpp.org> writes:
>
>>> On Mar 5, 2019, at 8:29 AM, Ben Boeckel <ben.boeckel_at_kitware.com> wrote:
>>>
>>> Is it feasible for scanning to not do that and instead load it as if it
>>> were `#include` and dropping non-exported macros at the end of the
>>> import?
>>
>> That is exactly what I would expect, and what we talked about on the
>> first telecon. Especially for matters such as finding macros that are
>> made available by a header unit import.
>
> Wouldn't that also require that importing TU's macros be dropped before
> preprocessing (each) header unit's "real header"?

Yes. (or temporarily inactive)

— Gaby