GNU bug report logs - #14379
Several Org source files cannot be loaded in isolation

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Message #3 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: submit <at> debbugs.gnu.org
Subject: Several Org source files cannot be loaded in isolation
Date: Fri, 10 May 2013 03:50:19 -0400

Package: org-mode

(This report refers to the version of Org in the Emacs trunk.)
Several Org files cannot be loaded in isolation, by which I mean that eg

emacs -batch -l ob-C

fails. This may have no practical consequences, but seems like bad form
(eg it causes problems for automated testing).

The list is:

ob-C.el
ob-asymptote.el
ob-awk.el
ob-clojure.el
ob-fortran.el
ob-haskell.el
ob-io.el
ob-java.el
ob-latex.el
ob-lisp.el
ob-maxima.el
ob-ocaml.el
ob-perl.el
ob-picolisp.el
ob-python.el
ob-ruby.el
ob-scala.el
org-ctags.el

For all but the last, the problem is:

  Symbol's value as variable is void: org-babel-tangle-lang-exts

For org-ctags, the problem is:

  Symbol's function definition is void: case

(because the `case' macro from cl is used in the default value of a
defcustom, which is not evaluated till load time.). This one is probably
a real bug.

Message #6 received at 14379 <at> debbugs.gnu.org (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: 14379 <at> debbugs.gnu.org
Subject: Re: bug#14379: Several Org source files cannot be loaded in isolation
Date: Sat, 11 May 2013 14:24:01 -0400

(Please keep the debbugs address included. It is basically an alias for
the org-mode list in this instance.)

Achim Gratz wrote:

> Reimplementation with pcase should fix that unless this is then resolved
> at compile-time?

pcase probably doesn't exist in all the ancient Emacs versions that you
want to support? In any case, it will case cause needless loading of
pcase at run-time. I'd use good old `cond' if I were you.
Actually, `if' will suffice in this case.
Actually actually, why not
  (if (executable-find "ctags-exuberant") "ctags-exuberant" "ctags")
?

Message #9 received at 14379 <at> debbugs.gnu.org (full text, mbox):

From: Carsten Dominik <carsten.dominik <at> gmail.com>
To: Glenn Morris <rgm <at> gnu.org>
Cc: 14379 <at> debbugs.gnu.org
Subject: Re: [O] bug#14379: Several Org source files cannot be loaded in
	isolation
Date: Sun, 12 May 2013 06:08:52 +0200

On 11.5.2013, at 20:24, Glenn Morris <rgm <at> gnu.org> wrote:

> 
> (Please keep the debbugs address included. It is basically an alias for
> the org-mode list in this instance.)
> 
> Achim Gratz wrote:
> 
>> Reimplementation with pcase should fix that unless this is then resolved
>> at compile-time?
> 
> pcase probably doesn't exist in all the ancient Emacs versions that you
> want to support? In any case, it will case cause needless loading of
> pcase at run-time. I'd use good old `cond' if I were you.
> Actually, `if' will suffice in this case.
> Actually actually, why not
>  (if (executable-find "ctags-exuberant") "ctags-exuberant" "ctags")

I have used this fix, thanks.

- Carsten

Message #12 received at 14379 <at> debbugs.gnu.org (full text, mbox):

From: Carsten Dominik <carsten.dominik <at> gmail.com>
To: Glenn Morris <rgm <at> gnu.org>
Cc: 14379 <at> debbugs.gnu.org
Subject: Re: [O] bug#14379: Several Org source files cannot be loaded in
	isolation
Date: Sun, 12 May 2013 06:09:52 +0200

On 10.5.2013, at 09:50, Glenn Morris <rgm <at> gnu.org> wrote:

> Package: org-mode
> 
> (This report refers to the version of Org in the Emacs trunk.)
> Several Org files cannot be loaded in isolation, by which I mean that eg
> 
> emacs -batch -l ob-C
> 
> fails. This may have no practical consequences, but seems like bad form
> (eg it causes problems for automated testing).
> 
> The list is:
> 
> ob-C.el
> ob-asymptote.el
> ob-awk.el
> ob-clojure.el
> ob-fortran.el
> ob-haskell.el
> ob-io.el
> ob-java.el
> ob-latex.el
> ob-lisp.el
> ob-maxima.el
> ob-ocaml.el
> ob-perl.el
> ob-picolisp.el
> ob-python.el
> ob-ruby.el
> ob-scala.el

I have asked Erik to fix these.

Thanks for the report.

- Carsten


> org-ctags.el
> 
> For all but the last, the problem is:
> 
>  Symbol's value as variable is void: org-babel-tangle-lang-exts
> 
> For org-ctags, the problem is:
> 
>  Symbol's function definition is void: case
> 
> (because the `case' macro from cl is used in the default value of a
> defcustom, which is not evaluated till load time.). This one is probably
> a real bug.
> 
> 
> 

Message #15 received at 14379 <at> debbugs.gnu.org (full text, mbox):

From: Achim Gratz <Stromeko <at> nexgo.de>
To: Carsten Dominik <carsten.dominik <at> gmail.com>
Cc: Glenn Morris <rgm <at> gnu.org>, 14379 <at> debbugs.gnu.org
Subject: Re: bug#14379: bug#14379: Several Org source files cannot be loaded
	in isolation
Date: Sun, 12 May 2013 09:34:25 +0200

Carsten Dominik writes:
> I have asked Erik to fix these.

These errors do not exist in Org 8 anymore, in other words they are
already fixed (by the introduction of ob-core, as it were).


Regards,
Achim.
-- 
+<[Q+ Matrix-12 WAVE#46+305 Neuron microQkb Andromeda XTk Blofeld]>+

SD adaptation for Waldorf rackAttack V1.04R1:
http://Synth.Stromeko.net/Downloads.html#WaldorfSDada

Message #18 received at 14379 <at> debbugs.gnu.org (full text, mbox):

From: Carsten Dominik <carsten.dominik <at> gmail.com>
To: Achim Gratz <Stromeko <at> nexgo.de>
Cc: Glenn Morris <rgm <at> gnu.org>, Eric Schulte <eschulte <at> cs.unm.edu>,
	14379 <at> debbugs.gnu.org
Subject: Re: bug#14379: bug#14379: Several Org source files cannot be loaded
	in isolation
Date: Sun, 12 May 2013 10:57:48 +0200

I missed that, thank you.

- Carsten


On 12.5.2013, at 09:34, Achim Gratz <Stromeko <at> nexgo.de> wrote:

> Carsten Dominik writes:
>> I have asked Erik to fix these.
> 
> These errors do not exist in Org 8 anymore, in other words they are
> already fixed (by the introduction of ob-core, as it were).
> 
> 
> Regards,
> Achim.
> -- 
> +<[Q+ Matrix-12 WAVE#46+305 Neuron microQkb Andromeda XTk Blofeld]>+
> 
> SD adaptation for Waldorf rackAttack V1.04R1:
> http://Synth.Stromeko.net/Downloads.html#WaldorfSDada

Message #23 received at 14379 <at> debbugs.gnu.org (full text, mbox):

From: Eric Schulte <schulte.eric <at> gmail.com>
To: Achim Gratz <Stromeko <at> nexgo.de>
Cc: Glenn Morris <rgm <at> gnu.org>, 14379 <at> debbugs.gnu.org,
	Carsten Dominik <carsten.dominik <at> gmail.com>
Subject: Re: [O] bug#14379: bug#14379: Several Org source files cannot be
	loaded in isolation
Date: Mon, 13 May 2013 15:32:45 -0600

Achim Gratz <Stromeko <at> nexgo.de> writes:

> Carsten Dominik writes:
>> I have asked Eric to fix these.
>
> These errors do not exist in Org 8 anymore, in other words they are
> already fixed (by the introduction of ob-core, as it were).
>

I'm still getting an error with the following.

    $ emacs -batch -l lisp/ob-C.el
    Symbol's value as variable is void: org-babel-tangle-lang-exts

I can eliminate the error if I remove

  (defvar org-babel-tangle-lang-exts)

from ob-C.el, and add an explicit require to ob-tangle.  I have no idea
why the explicit require works, but requiring /through/ ob.el does not
work.  I can make these changes if it is important to be able to load
these source files individually.

Best,

-- 
Eric Schulte
http://cs.unm.edu/~eschulte

Message #26 received at 14379 <at> debbugs.gnu.org (full text, mbox):

From: ASSI <Stromeko <at> nexgo.de>
To: Eric Schulte <schulte.eric <at> gmail.com>
Cc: Glenn Morris <rgm <at> gnu.org>, 14379 <at> debbugs.gnu.org,
	Carsten Dominik <carsten.dominik <at> gmail.com>
Subject: Re: [O] bug#14379: bug#14379: Several Org source files cannot be
	loaded in isolation
Date: Tue, 14 May 2013 07:23:42 +0200

On Monday 13 May 2013, 15:32:45, Eric Schulte wrote:
> I'm still getting an error with the following.
> 
>     $ emacs -batch -l lisp/ob-C.el
>     Symbol's value as variable is void: org-babel-tangle-lang-exts

Depending on which Emacs version you use and whether, where and how Org 8 is 
installed and initialized, you'll need something like

$ emacs -Q -batch -l org8-init.el -l lisp/ob-C.el

for testing, to avoid pulling in the wrong autoloads.  This won't be a 
problem once Org 8 is integrated into Emacs, but you need to be careful with 
standalone Org.

> I can eliminate the error if I remove
> 
>   (defvar org-babel-tangle-lang-exts)
> 
> from ob-C.el, and add an explicit require to ob-tangle.  I have no idea
> why the explicit require works, but requiring /through/ ob.el does not
> work.  I can make these changes if it is important to be able to load
> these source files individually.

I'll test that again once more to be sure, but this should really be fixed 
already.


Regards,
Achim.
-- 
+<[Q+ Matrix-12 WAVE#46+305 Neuron microQkb Andromeda XTk Blofeld]>+

DIY Stuff:
http://Synth.Stromeko.net/DIY.html

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