[vtk-developers] [ANNOUNCE] New module system landing

[Bill Lorensen]

I would still like to seethe vtk configure progress in a log file of some sort.

On Mon, Feb 4, 2019 at 7:58 AM Ben Boeckel via vtk-developers
<vtk-developers at vtk.org> wrote:
>
> On Mon, Feb 04, 2019 at 15:31:22 +0000, Andras Lasso wrote:
> > I just wanted to clarify that application developers only need YES and
> > DONT_WANT states for VTK modules. If the other states are required
> > internally in VTK (for example, for VTK automatic tests) then it's
> > fine, but please try to keep the VTK's public CMake configuration API
> > simple.
>
> That can be provided. An option to `vtk_module_scan` to provide a
> limited set of values for the `STRINGS` property can be done.
>
> > > Right now it says "X requires disabled module Y". What's missing is
> > > information of the link between X and Y for figuring out how to fix
> > > it.
> >
> > Dependency graph printing feature of CTK fixes this. See an example
> > below how external project dependency graph is printed during
> > application configuration. @jcfr can give you more details on how this
> > works and could be adapted to VTK modules.
>
> One difference is that it will be provided on-demand only. I personally
> find such configure output to be noise for general reconfigures and can
> take up a substantial amount of configure time to format and write. VTK
> now re-configures in under 10 seconds on my machine; I'd like to avoid
> having that start to creep up for information useful only sometimes.
>
> For anyone interested in implementing it, the dependency logic is all in
> `vtk_module_scan` after the topological sort into
> `_vtk_scan_all_modules`.
>
> --Ben
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