windows build and r15912

[Derek Atkins]

Perhaps we should pull in custom.sh first, and then have
defaults.sh do something like:

[ -z "${GLOBAL_DIR:-}" ] && GLOBAL_DIR=<default>

.. and do this for all the variables to only set them if
they are not already set.

-derek

"Hale Boyes, Kevin " <Kevin.HaleBoyes at encana.com> writes:

> Maybe my scripting skill are a bit rusty but how is the
> new defaults/custom file loading going to work?
>
> The only value that I normally change is the GLOBAL_DIR setting.
> When I create the custom file, will it contain just the GLOBAL_DIR
> variable or do I need to copy the entire defaults file and
> change just the one variable?
>
> I'm guessing that I need to do the later because of all the
> variables that depend on the value of GLOBAL_DIR (like DOCS_DIR).
> They will be set before the custom file is sourced and their
> value won't change when I reset the value of GLOBAL_DIR.
>
> Hmm, I guess I'll have to be more careful than that.  I won't
> want an exact copy of defaults as that would call all the add_step
> functions again.
>
> In an attempt to answer my own question...  If I want to change the
> value of GLOBAL_DIR then I will put it and all the variable that
> depend on it into the custom file, but nothing else.  It isn't enough
> to put just GLOBAL_DIR into custom.
>
> Is that correct?
>
> Thanks,
> Kevin.
>
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-- 
       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
       Member, MIT Student Information Processing Board  (SIPB)
       URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
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