Re: small emacs for using org on Android

From: <news@aleblanc.cotse.net>
To: emacs-orgmode@gnu.org
Subject: Re: small emacs for using org on Android
Date: Sat, 29 Aug 2009 23:32:40 +0100	[thread overview]
Message-ID: <874orqz1x3.fsf@it.com> (raw)
In-Reply-To: e0e1fe620908290635g850070q642c160e62fdf13e@mail.gmail.com

Scot Becker <scot.becker@gmail.com> writes:

How do I remove unwanted modes? Is it just a case of removing the .el files?

> I'm not the most qualified person to answer this, since I'm only an
> observer to emacs development, but I have some experience trying to
> compile a reduced-size version of Emacs 23, so I'll add my two pence
> until someone can inform you better.
>
> I tried to cut down emacs for my own use (basically, an older laptop
> in which I was running TinyCore linux from RAM, and wanted to put
> emacs+org into RAM as well).  I found that GNU Emacs seems not to be
> designed with modularity in mind.  In fact, my read of the devel list
> is that the opposite virtue is espoused:  reuse existing code where
> possible.  Add to this that the program (as I'm sure you know) is
> quite complex.  Even if there were a smaller Lisp interpreter, it
> probably would fail at a number of points to do the things that
> org-mode (and the Emacs parts org depends on) needs.  In this case, I
> don't think you'll get a smaller engine to drive the same car.  Sorry.
>
> What you might have some luck with is slicing away gingerly at your
> existing Emacs distribution.  For example, you might try: (1) making
> sure that there are no Lisp source files for libraries which exist as
> byte compiled files (delete blah.el where there is a blah.elc).  (2)
> slicing the info documentation down to the bone, and gzipping the
> remainder.  (3) removing modes you don't need.  This will take some
> experimentation.  org-mode won't compile without 'calc' 'calendar' and
> even Gnus, but might run without gnus if you don't need whatever
> feature it borrows.  Also, other modes derive from more basic modes or
> other wise re-use other modes' code.  So you may run into errors,
> which you'll have to fix by adding the missing pieces back in.  (4)
> You can cut out input methods and terminal types you don't need.  (5)
> I expect Emacs 22 is smaller than emacs 23, and you may even find that
> Emacs 21 meets your needs, though org-mode apparently has some
> limitations on it.
>
> I suspect that judicious experimental cutting is the only way (aside
> from compression) that you'll get a smaller GNU Emacs and org mode.
> Good luck.
>
> HTH,
> Scot
>
>
> On Fri, Aug 28, 2009 at 7:00 PM, <news@aleblanc.cotse.net> wrote:
>> Hi,
>>   can anyone recommend a small emacs implementation that will run org?
>>   I have Debian running on my G1 phone (see here:
>>   http://www.emacswiki.org/emacs/EmacsOnAndroid),
>>   and have been running Emacs 22 on it successfully.
>>   However it doesn't leave me much memory for other apps.
>>
>>   I have had a look through some of the implementations listed here:
>>
>>   http://www.emacswiki.org/emacs-en/EmacsImplementations
>>
>>   but it seems that most of them are not full elisp interpreters and so
>>   I'm not sure that org-mode will work.
>>
>> --
>> aleblanc
>>
>>
>>
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>
>
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Hi Scot,

-- 
aleblanc