[cfe-dev] [RFC] C++20 modules dependency discovery

[Ben Boeckel via cfe-dev]

On Thu, Aug 15, 2019 at 17:27:16 -0700, Bruno Cardoso Lopes via cfe-dev wrote:
> Ben, how do you express different modes in GCC? Does it have more than
> one currently?

It just has the one. It's just that `-std=c++2a` (and `-fmodules-ts` for
now) modifies logic done by `-E`. It was implemented by hooking into the
infrastructure that exists rather than reworking it.

--Ben