[CMake] automoc autorcc

[Norbert Pfeiler]

>
> > When i use qt5_add_resources and some of my resources change they get
> > recompiled during the next invocation of my build tool. Whereas when i
> use
> > cmakes autorcc this is not the case.
> This was fixed in CMake 3.1.


Well, I’m using CMake 3.1.1, so apparently it’s not.

> Secondly, with qt5_wrap_cpp every file gets processed in parallel – well,
> > because they don’t depend on each other. In contrast, automoc mocs
> > everything in sequence (for one target) which is a noticeable bottleneck
> > on an 8 core machine.
> This was part of the original design of the automoc feature. Maybe it could
> be done better, but as far as I know, no one is working on it.


Ok, sad to hear.

Best, Norbert.

2015-01-29 21:26 GMT+01:00 Stephen Kelly <steveire at gmail.com>:

> Norbert Pfeiler wrote:
>
> > Hello,
> > i’m curious about 2 things and therefore wanted to ask:
> >
> > When i use qt5_add_resources and some of my resources change they get
> > recompiled during the next invocation of my build tool. Whereas when i
> use
> > cmakes autorcc this is not the case.
>
> This was fixed in CMake 3.1.
>
> >
> > Secondly, with qt5_wrap_cpp every file gets processed in parallel – well,
> > because they don’t depend on each other. In contrast, automoc mocs
> > everything in sequence (for one target) which is a noticeable bottleneck
> > on an 8 core machine.
>
> This was part of the original design of the automoc feature. Maybe it could
> be done better, but as far as I know, no one is working on it.
>
> Thanks,
>
> Steve.
>
>
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