[Tooling] [isocpp-modules] Dependency format with module details implementation

Gabriel Dos Reis gdr at microsoft.com
Thu Apr 11 17:44:24 CEST 2019



> On Apr 11, 2019, at 7:17 AM, Boris Kolpackov <boris at codesynthesis.com> wrote:
> 
> Nathan Sidwell <nathan at acm.org> writes:
> 
>> How often do you expect the boost headers to change?
> 
> What if it's not Boost but my own headers?
> 
> It seems there is still an assumption that header modules
> will only be used for legacy/system stuff (even though
> "legacy" has been dropped from their name).

That is indeed the primary purpose of the feature.

> But I don't
> see a reason why someone would not want to use them for
> own, actively-developed headers to speed up compilation
> in cases where switching to "real" modules is not (yet)
> possible (for example, because one has to support older
> compilers).

That still falls under the “transition” banner.

— Gaby

> 


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