[M3devel] The various hudson tasks

[Olaf Wagner]

Quoting Jay K <jay.krell at cornell.edu>:

> m3cc is both in its own task and in the cm3 task.
> I don't understand why it is in both.
> This also causes the sources to be duplicated more.

I don't follow you here.
If the backend has already be built by the m3cc job, it should be
used by the M3 builds.

> Given proper incrementality, the split shouldn't be needed. ?
> But ok.
> Splitting might resemble the future distribution form as well -- ie,  
>  one that is more like the old DEC SRC one.
> And I'm sure there are incrementality bugs, e.g. like when files are  
>  added/deleted/moved.
>   Every time I've moved a file it has caused problems.

Yes. This is a known problem with the package-oriented builder.

> I kind of think it should always "upgrade" for some definition of that.
> Always start with cm3/cm3cg/m3core/config files, and I guess libm3.
> Build up to cm3, skipping cm3cg, m3core, libm3.
> Copy/install cm3.
> Build cm3cg incrementally
> Clean everything but cm3cg. Too expensive?

Yes.

> Build m3core up to cm3.
> Copy/install cm3.
> clean everything but cm3cg. Too expensive?
> Build everything.
>
> I can see that might be too expensive though.
> On the other hand, if the compiler changes, you really need to buid   
> everything clean.

Yes. I'll be happy if I find an easy way to incorporate this into
the existing tasks. If I only had more spare time...

> As I assume incrementality doesn't take into account the compiler's   
> timestamp, and if it did, it'd all be clean anyway.
>
> But I'm not keen on changing this stuff.
> It seems kind of difficult and very time consuming to get working,   
> and extremely nice to have in almost any working form.

Thanks. I'll try to make incremental improvements as I find the time,

Olaf
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