[Interest] Compile Speed Question regarding MOC

Konstantin Tokarev annulen at yandex.ru
Wed Feb 19 19:40:40 CET 2014

19.02.2014, 12:52, "Gisle Vanem" <gvanem at yahoo.no>:
> "Till Oliver Knoll" <till.oliver.knoll at gmail.com> wrote:
>>  With regards to 1): A ful rebuild takes the time it takes, no matter what.
>>  You can speed that up things as others have suggested (#include the mocced files,
>>  AUTOMOC), but that's that.
> What about using pre-compiled headers (pch) with MSVC? I imagine the
> total time for a full rebuild with MSVC (using PCH and multiple .cc-files in
> one go) is much less than a partial build using e.g. gcc/MingW. I'm not sure
> how good PCH in gcc has become.
> I ask since I've not tried it. I'm not sure it's possible to use MSVC's PCH with Qt.

Moreover, PCH's have some positive effect with gcc and clang too.


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