Re: mixed orgmode installation

[Achim Gratz <Stromeko@nexgo.de>]

John Hendy writes:
> Could you elaborate on this? I'd always thought the exact opposite due
> to being burned in the past by stale junk littered around /usr/lib,
> /usr/bin, /usr/local/[bin/sbin]. Thus, for some things, I prefer to
> run them from the git repository since I know where they'll be vs.
> where `make install` might desire to put them.

Git provides and manages the source tree and nothing else.  To get a
reliable Org you need a self-consistent and complete installation — that
is usually provided by the build system.

http://orgmode.org/worg/dev/org-build-system.html

The most logical place for that Org installation is site-lisp (since
then load-path is already set up correctly), but you can install almost
anywhere as long as you know where load-path is pointing to at all
times.  You could then have multiple versions of Org installed and use
them for different instances or versiosn of Emacs (one at a time,
obviously).

> What happens, for example, in this situation:
> - git clone
> - make && make install

You just need to "make install" and it's been that way for over two
years now…

> - some file.el gets moved from org.git/contrib/lisp to org.git/lisp in master
> - git pull
> - make && make install

And this is what "make up2" is doing, plus testing so the install won't
be attempted if the tests don't pass.

> Are there now two copies of file.el somewhere in the system?

No, unless you've changed the install location inbetween.  If a file
would be removed (or renamed), then you'd need to first issue a "make
clean-install" to make sure it is really gone from your installation.

> Anyway, if there's more to read on some of your situations, I'd love
> to know as I've been doing exactly that and want to stop if it's
> recommended against! Thanks for mentioning the potential risk, as I
> had no idea!

I'm not exactly sure what problem you are talking about, maybe you could
clarify.  In any case it seems there's been a mixup of different problems
in this thread.


Regards,
Achim.
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