GNU bug report logs - #15198
24.3.50; Setq doesn't update the value of the variable

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Oleg Sivokon <olegsivokon <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.3.50; Setq doesn't update the value of the variable
Date: Tue, 27 Aug 2013 18:24:48 +0300

Hello,

Unfortunately, I'm not sure what exactly is causing the problem, but I
will try to describe it as much as possible.

First, I ran emacs -Q,
After Emacs loaded, I ran M-x ielm,
Below is the log of my IELM session:

*** Welcome to IELM ***  Type (describe-mode) for help.
ELISP> (setq inferrior-lisp-program "sbcl")
"sbcl"
ELISP> inferrior-lisp-program
"sbcl"
ELISP> (load (expand-file-name "~/quicklisp/slime-helper.el"))
t
ELISP> inferrior-lisp-program
"sbcl"
ELISP>

And here is the relevant content of the *Messages* buffer:

Loading /home/wvxvw/quicklisp/slime-helper.el (source)...done
. . .
apply: Searching for program: no such file or directory, lisp

To elaborate, the default value of `inferrior-lisp-program' is
"lisp", this is why you see it in SLIME's error message.
The problem is, I can execute (setq inferrior-lisp-program "sbcl")
no matter how (using M-: or from *scratch* buffer, or from IELM), but
the variable will not get set.

Best,

Oleg

Message #8 received at 15198 <at> debbugs.gnu.org (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: Oleg Sivokon <olegsivokon <at> gmail.com>
Cc: 15198 <at> debbugs.gnu.org
Subject: Re: bug#15198: 24.3.50; Setq doesn't update the value of the variable
Date: Tue, 27 Aug 2013 11:50:24 -0400

Oleg Sivokon wrote:

> ELISP> (setq inferrior-lisp-program "sbcl")

That should be: inferior-lisp-program

> ELISP> inferrior-lisp-program
> "sbcl"
> ELISP> (load (expand-file-name "~/quicklisp/slime-helper.el"))
> t
> ELISP> inferrior-lisp-program
> "sbcl"
> ELISP>
>
> And here is the relevant content of the *Messages* buffer:
>
> Loading /home/wvxvw/quicklisp/slime-helper.el (source)...done
> . . .
> apply: Searching for program: no such file or directory, lisp
>
> To elaborate, the default value of `inferrior-lisp-program' is
> "lisp", this is why you see it in SLIME's error message.
> The problem is, I can execute (setq inferrior-lisp-program "sbcl")
> no matter how (using M-: or from *scratch* buffer, or from IELM), but
> the variable will not get set.

What does C-h v inferior-lisp-program say?

Message #11 received at 15198 <at> debbugs.gnu.org (full text, mbox):

From: Andreas Schwab <schwab <at> suse.de>
To: Oleg Sivokon <olegsivokon <at> gmail.com>
Cc: 15198 <at> debbugs.gnu.org
Subject: Re: bug#15198: 24.3.50; Setq doesn't update the value of the variable
Date: Tue, 27 Aug 2013 17:53:23 +0200

Oleg Sivokon <olegsivokon <at> gmail.com> writes:

> ELISP> (setq inferrior-lisp-program "sbcl")
                   ^^

That's not how the variable is spelt.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab <at> suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."

Message #14 received at 15198 <at> debbugs.gnu.org (full text, mbox):

From: Left Right <olegsivokon <at> gmail.com>
To: Andreas Schwab <schwab <at> suse.de>
Cc: 15198 <at> debbugs.gnu.org
Subject: Re: bug#15198: 24.3.50; Setq doesn't update the value of the variable
Date: Tue, 27 Aug 2013 19:02:17 +0300

*Sigh*,

Sorry for the noise. I think it's not the first time I make this
mistake. :( Yes, the typo was the problem.

On Tue, Aug 27, 2013 at 6:53 PM, Andreas Schwab <schwab <at> suse.de> wrote:
> Oleg Sivokon <olegsivokon <at> gmail.com> writes:
>
>> ELISP> (setq inferrior-lisp-program "sbcl")
>                    ^^
>
> That's not how the variable is spelt.
>
> Andreas.
>
> --
> Andreas Schwab, SUSE Labs, schwab <at> suse.de
> GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
> "And now for something completely different."

Message #21 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Kevin Rodgers <kevin.d.rodgers <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: Re: bug#15198: 24.3.50; Setq doesn't update the value of the variable
Date: Tue, 27 Aug 2013 21:52:19 -0600

On 8/27/13 10:02 AM, Left Right wrote:
> On Tue, Aug 27, 2013 at 6:53 PM, Andreas Schwab<schwab <at> suse.de>  wrote:
>> Oleg Sivokon<olegsivokon <at> gmail.com>  writes:
>>
>>> ELISP>  (setq inferrior-lisp-program "sbcl")
>>                     ^^
>>
>> That's not how the variable is spelt.
>>
>> Andreas.
>>
>> --
>> Andreas Schwab, SUSE Labs, schwab <at> suse.de
>> GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
>> "And now for something completely different."
>
> Sorry for the noise. I think it's not the first time I make this
> mistake. :( Yes, the typo was the problem.

Completion is your friend.  Try TAB for comint-dynamic-complete or M-TAB for
completion-at-point

-- 
Kevin Rodgers
Denver, Colorado, USA

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