[M3devel] propose "output root" to replace shipping

[Rodney M. Bates]

On 03/24/2015 03:19 AM, Jay K wrote:
> The point is, kind of to make it better, by making it worse.
> Or worse by making it better.
>
>
> In particular, "ship" would go away.
> Files would /always be overwritten right away/.
>
>
> If you don't want this -- and indeed /sometimes /you don't, you
> would change the output root to a new empty/nonexistent directory,
> possibly copying all of the previous into the new.
>
>
>
> cm3 and its dependencies would require special attention.
> In particular, for sharing violations on .dlls, we'd rename away and copy back.
> Does that then work on all systems? It works on NT.
> I'm betting most Posix systems "just work" and AIX requires either the same as NT
> or can't be made to work so easily.
>
>
> If the outputs are bad, you would have to restore from backup, for things like cm3/m3core/libm3 (and
> basically just them). For anything not used by cm3, just edit the source and recompile again.
>
>
> You could view this as taking away an escape hatch.
> But a simpler easier to understand escape hatch remains.
>
>
> And the escape hatch is really only critical for cm3 and its dependents.
> Or "build tools" maybe more generally, like klex, kyacc, m3bundle.
>
>
> Is this still the mailing list to use, or something new with git?

I think this is still the list to use.

I found, with a bit of difficulty, how to get git to send emails about git events,
and set it up to send to me.  Perhaps we would want to set these to send to
m3commit?

>
>
> Now -- another use of "ship" is "install" not on the same machine as compile.
> For this, I propose, just un-tar-gz or unzip instead, or recursive copy if not archived.
>
>
> A background point here is -- have fewer different directory layouts.
> Instead of ship rearranging stuff, just arrange stuff when you link in the first place.
>
>
> This would also argue that the source tree and install tree should be more-similar/identical
> except for the root, but I'm reluctant to rearrange the source..even to lift up the "src"
> leaves by one, in order to keep the tree diffable against old trees.
>
>
>   - Jay
>
>
>-- 
Rodney Bates
rodney.m.bates at acm.org