[M3commit] CVS Update: cm3

[Jay K]

(ps: the change I made does do the backup foo-date thing, parallel to cm3 and cm3cg
yes I'll compare the branches, can't promise a full merge though)


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> Date: Thu, 22 Jul 2010 09:19:12 +0200
> From: wagner at elegosoft.com
> To: jay.krell at cornell.edu
> CC: m3commit at elegosoft.com
> Subject: Re: [M3commit] CVS Update: cm3
>
> I can live with a cm3-local.cfg file which gets included when it exists,
> contains local overrides and is never touched by he installation.
>
> We have to be careful to backup existing configs and informing the
> users before the installation though.
>
> I think upgrade did backups of the config, too.
>
> Can you check the scripts in the release branch if anything needs
> to be merged back? I won't be able to do that today.
>
> Olaf
>
> Quoting Jay K :
>
> > I thought it was too, before I looked at it.
> > Could be that head and release are very divergent.
> > I didn't look at release, oops.
> >   I probably will "soon".
> >
> >
> > The config files are "partly part of the compiler", and partly
> > system-specific.
> >  So they might have to be updated with the compiler.
> >
> >
> > Perhaps we can have cm3.cfg.user or cm3.cfg.local, that we never edit,
> > and maybe we should constrain it, like very line
> > must have an equals sign, and if it has a percent, percent must
> > follow equals.
> >
> >
> > e.g.
> > m3back_flags = "-custom"
> > SYSTEM_CC = "custom" % comment blah blah
> > SYSTEM_LIBS{"LIBC"} = "custom"
> > SYSTEM_LIBORDER += [custom]
> >
> > But that might not be flexible enough.
> >
> > Another option is that cm3.cfg file do like:
> > if exists("cm3.cfg.user.first")
> >   include("cm3.cfg.user.first")
> > end
> > ...
> > if exists("cm3.cfg.user.last")
> >
> >   include("cm3.cfg.user.last
> >
> > end
> >
> >
> >
> > which is infinitely flexible and not well defined.
> >  Even limiting to assignments is not well defined.
> >  You know, there's an interface somewhere in there, but it isn't
> > well specified. My fault.
> >   I let things evolve and get discovered gradually, sometimes hard
> > to know ahead of time what the result will be.
> >
> >
> > I've made changes since 5.8.6 released such that config files from
> > prior to 5.8.6 will not suffice.
> > I can undo that, but there is an important policy and architecture question.
> >
> >
> >  - Jay
> >
> > ----------------------------------------
> >> Date: Thu, 22 Jul 2010 08:53:23 +0200
> >> From: wagner at elegosoft.com
> >> To: m3commit at elegosoft.com
> >> Subject: Re: [M3commit] CVS Update: cm3
> >>
> >> Quoting Jay K :
> >>
> >> > I've manually updated the config files on SPARC32_LINUX Hudson node
> >> > to try to fix this.
> >>
> >> That should be done by the upgrade script (and it already was AFAIR).
> >> I wouldn't like the script shipping a newly built compiler to
> >> unconditionally overwrite all my local configuration.
> >>
> >> Olaf
> >>
> >> >
> >> > - Jay
> >> >
> >> > ----------------------------------------
> >> >> Date: Wed, 21 Jul 2010 17:53:14 +0000
> >> >> To: m3commit at elegosoft.com
> >> >> From: jkrell at elego.de
> >> >> Subject: [M3commit] CVS Update: cm3
> >> >>
> >> >> CVSROOT: /usr/cvs
> >> >> Changes by: jkrell at birch. 10/07/21 17:53:14
> >> >>
> >> >> Modified files:
> >> >> cm3/scripts/: install-cm3-compiler.sh
> >> >>
> >> >> Log message:
> >> >> upgrade config files when upgrading compiler
> >> >>
> >> >
> >>
> >>
> >>
> >> --
> >> Olaf Wagner -- elego Software Solutions GmbH
> >> Gustav-Meyer-Allee 25 / Gebäude 12, 13355 Berlin, Germany
> >> phone: +49 30 23 45 86 96 mobile: +49 177 2345 869 fax: +49 30 23 45 86 95
> >> http://www.elegosoft.com | Geschäftsführer: Olaf Wagner | Sitz: Berlin
> >> Handelregister: Amtsgericht Charlottenburg HRB 77719 | USt-IdNr: DE163214194
> >>
> >
>
>
>
> --
> Olaf Wagner -- elego Software Solutions GmbH
> Gustav-Meyer-Allee 25 / Gebäude 12, 13355 Berlin, Germany
> phone: +49 30 23 45 86 96 mobile: +49 177 2345 869 fax: +49 30 23 45 86 95
> http://www.elegosoft.com | Geschäftsführer: Olaf Wagner | Sitz: Berlin
> Handelregister: Amtsgericht Charlottenburg HRB 77719 | USt-IdNr: DE163214194
>