GNU bug report logs - #38261
Recent changes to emacs build system

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

From: brettg <at> posteo.net
To: Bug guix <Bug-guix <at> gnu.org>
Subject: Recent changes to emacs build system
Date: Mon, 18 Nov 2019 20:01:29 +0100

Hey all, the recent changes to the emacs build system result in a few 
broken packages like emacs-pdf-tools, or basically anything that uses a 
phase for emacs-set-emacs-load-path.

For example, I borrowed the technique used by emacs-pdf-tools to package 
emacs-telega, resulting in both packages failing to build:

Here is the code for emacs-telega:

https://git.sr.ht/~brettgilio/cfg/tree/master/channel/non-gnu/packages/emacs-xyz.scm#L99

The issue is in this phase for both emacs-pdf-tools and my channel 
package:

 (add-after 'compress-documentation 'emacs-set-emacs-load-path
				  (assoc-ref emacs:%standard-phases 'set-emacs-load-path))

Resulting in:

starting phase `emacs-set-emacs-load-path'
Backtrace:
           5 (primitive-load "/gnu/store/5b1p1gsvfyi4fbx4s42rhab2dns…")
In ice-9/eval.scm:
   191:35  4 (_ _)
In ice-9/boot-9.scm:
    829:9  3 (catch _ _ #<procedure 7ffff3bbb518 at /gnu/store/zmkg…> …)
In srfi/srfi-1.scm:
   863:16  2 (every1 #<procedure 7ffff30ae160 at /gnu/store/zmkgrvv…> …)
In 
/gnu/store/zmkgrvvhmrix2b1z7id6zrg9bb7qxzdl-module-import/guix/build/gnu-build-system.scm:
   839:30  1 (_ _)
In unknown file:
           0 (_ #:source "/gnu/store/qw8xbmk6ryl9a2jrp0gip3yffmsdix…" …)

ERROR: Wrong type to apply: #f

If we suspect that changes are going to be non-backwards compatible 
could we use the news system to pass along that message? Much 
appreciated. Thanks.

Brett Gilio

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

From: brettg <at> posteo.net
To: Bug guix <Bug-guix <at> gnu.org>
Cc: bug-Guix <bug-guix-bounces+brettg=posteo.net <at> gnu.org>
Subject: Re: bug#38261: Recent changes to emacs build system
Date: Mon, 18 Nov 2019 21:28:52 +0100

On 18.11.2019 20:01, brettg <at> posteo.net wrote:
> Hey all, the recent changes to the emacs build system result in a few
> broken packages like emacs-pdf-tools, or basically anything that uses
> a phase for emacs-set-emacs-load-path.
> 
> For example, I borrowed the technique used by emacs-pdf-tools to
> package emacs-telega, resulting in both packages failing to build:
> 
> Here is the code for emacs-telega:
> 
> https://git.sr.ht/~brettgilio/cfg/tree/master/channel/non-gnu/packages/emacs-xyz.scm#L99
> 
> The issue is in this phase for both emacs-pdf-tools and my channel 
> package:
> 
>  (add-after 'compress-documentation 'emacs-set-emacs-load-path
> 			  (assoc-ref emacs:%standard-phases 'set-emacs-load-path))
> 
> Resulting in:
> 
> starting phase `emacs-set-emacs-load-path'
> Backtrace:
>            5 (primitive-load "/gnu/store/5b1p1gsvfyi4fbx4s42rhab2dns…")
> In ice-9/eval.scm:
>    191:35  4 (_ _)
> In ice-9/boot-9.scm:
>     829:9  3 (catch _ _ #<procedure 7ffff3bbb518 at /gnu/store/zmkg…> 
> …)
> In srfi/srfi-1.scm:
>    863:16  2 (every1 #<procedure 7ffff30ae160 at /gnu/store/zmkgrvv…> 
> …)
> In
> /gnu/store/zmkgrvvhmrix2b1z7id6zrg9bb7qxzdl-module-import/guix/build/gnu-build-system.scm:
>    839:30  1 (_ _)
> In unknown file:
>            0 (_ #:source "/gnu/store/qw8xbmk6ryl9a2jrp0gip3yffmsdix…" 
> …)
> 
> ERROR: Wrong type to apply: #f
> 
> If we suspect that changes are going to be non-backwards compatible
> could we use the news system to pass along that message? Much
> appreciated. Thanks.
> 
> Brett Gilio

I applied a hotfix to the package by replacing 'set-emacs-load-path with 
'add-source-to-load-path. I believe this fix would work for all other 
affected packages.

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

From: brettg <at> posteo.net
To: Bug guix <Bug-guix <at> gnu.org>
Cc: bug-Guix <bug-guix-bounces+brettg=posteo.net <at> gnu.org>
Subject: Re: bug#38261: Recent changes to emacs build system
Date: Mon, 18 Nov 2019 21:33:41 +0100

On 18.11.2019 21:28, brettg <at> posteo.net wrote:
> On 18.11.2019 20:01, brettg <at> posteo.net wrote:
>> Hey all, the recent changes to the emacs build system result in a few
>> broken packages like emacs-pdf-tools, or basically anything that uses
>> a phase for emacs-set-emacs-load-path.
>> 
>> For example, I borrowed the technique used by emacs-pdf-tools to
>> package emacs-telega, resulting in both packages failing to build:
>> 
>> Here is the code for emacs-telega:
>> 
>> https://git.sr.ht/~brettgilio/cfg/tree/master/channel/non-gnu/packages/emacs-xyz.scm#L99
>> 
>> The issue is in this phase for both emacs-pdf-tools and my channel 
>> package:
>> 
>>  (add-after 'compress-documentation 'emacs-set-emacs-load-path
>> 			  (assoc-ref emacs:%standard-phases 'set-emacs-load-path))
>> 
>> Resulting in:
>> 
>> starting phase `emacs-set-emacs-load-path'
>> Backtrace:
>>            5 (primitive-load 
>> "/gnu/store/5b1p1gsvfyi4fbx4s42rhab2dns…")
>> In ice-9/eval.scm:
>>    191:35  4 (_ _)
>> In ice-9/boot-9.scm:
>>     829:9  3 (catch _ _ #<procedure 7ffff3bbb518 at /gnu/store/zmkg…> 
>> …)
>> In srfi/srfi-1.scm:
>>    863:16  2 (every1 #<procedure 7ffff30ae160 at /gnu/store/zmkgrvv…> 
>> …)
>> In
>> /gnu/store/zmkgrvvhmrix2b1z7id6zrg9bb7qxzdl-module-import/guix/build/gnu-build-system.scm:
>>    839:30  1 (_ _)
>> In unknown file:
>>            0 (_ #:source "/gnu/store/qw8xbmk6ryl9a2jrp0gip3yffmsdix…" 
>> …)
>> 
>> ERROR: Wrong type to apply: #f
>> 
>> If we suspect that changes are going to be non-backwards compatible
>> could we use the news system to pass along that message? Much
>> appreciated. Thanks.
>> 
>> Brett Gilio
> 
> I applied a hotfix to the package by replacing 'set-emacs-load-path
> with 'add-source-to-load-path. I believe this fix would work for all
> other affected packages.

https://git.sr.ht/~brettgilio/cfg/commit/c24a6db9d25151c487e9db675bd74e4bb3912173

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

From: brettg <at> posteo.net
To: Bug guix <Bug-guix <at> gnu.org>, Ricardo Wurmus <rekado <at> elephly.net>
Cc: bug-Guix <bug-guix-bounces+brettg=posteo.net <at> gnu.org>
Subject: Re: bug#38261: Recent changes to emacs build system
Date: Mon, 18 Nov 2019 22:34:21 +0100

On 18.11.2019 21:33, brettg <at> posteo.net wrote:
> On 18.11.2019 21:28, brettg <at> posteo.net wrote:
>> On 18.11.2019 20:01, brettg <at> posteo.net wrote:
>>> Hey all, the recent changes to the emacs build system result in a few
>>> broken packages like emacs-pdf-tools, or basically anything that uses
>>> a phase for emacs-set-emacs-load-path.
>>> 
>>> For example, I borrowed the technique used by emacs-pdf-tools to
>>> package emacs-telega, resulting in both packages failing to build:
>>> 
>>> Here is the code for emacs-telega:
>>> 
>>> https://git.sr.ht/~brettgilio/cfg/tree/master/channel/non-gnu/packages/emacs-xyz.scm#L99
>>> 
>>> The issue is in this phase for both emacs-pdf-tools and my channel 
>>> package:
>>> 
>>>  (add-after 'compress-documentation 'emacs-set-emacs-load-path
>>> 			  (assoc-ref emacs:%standard-phases 'set-emacs-load-path))
>>> 
>>> Resulting in:
>>> 
>>> starting phase `emacs-set-emacs-load-path'
>>> Backtrace:
>>>            5 (primitive-load 
>>> "/gnu/store/5b1p1gsvfyi4fbx4s42rhab2dns…")
>>> In ice-9/eval.scm:
>>>    191:35  4 (_ _)
>>> In ice-9/boot-9.scm:
>>>     829:9  3 (catch _ _ #<procedure 7ffff3bbb518 at /gnu/store/zmkg…> 
>>> …)
>>> In srfi/srfi-1.scm:
>>>    863:16  2 (every1 #<procedure 7ffff30ae160 at /gnu/store/zmkgrvv…> 
>>> …)
>>> In
>>> /gnu/store/zmkgrvvhmrix2b1z7id6zrg9bb7qxzdl-module-import/guix/build/gnu-build-system.scm:
>>>    839:30  1 (_ _)
>>> In unknown file:
>>>            0 (_ #:source "/gnu/store/qw8xbmk6ryl9a2jrp0gip3yffmsdix…" 
>>> …)
>>> 
>>> ERROR: Wrong type to apply: #f
>>> 
>>> If we suspect that changes are going to be non-backwards compatible
>>> could we use the news system to pass along that message? Much
>>> appreciated. Thanks.
>>> 
>>> Brett Gilio
>> 
>> I applied a hotfix to the package by replacing 'set-emacs-load-path
>> with 'add-source-to-load-path. I believe this fix would work for all
>> other affected packages.
> 
> https://git.sr.ht/~brettgilio/cfg/commit/c24a6db9d25151c487e9db675bd74e4bb3912173

Ricardo, just wanted to make you aware that this emacs-build-system 
change does break your guile-studio. I discovered this because I adopted 
some of your ideas of autoloading in the generated emacs lisp from 
guile-studio when creating my own emacs configuration dependent on guix, 
which resulted in

progn: Wrong number of arguments: (lambda nil "Autoload Emacs packages 
found in EMACSLOADPATH.

'Autoload' means to load the 'autoloads' files matching
`guix-emacs-autoloads-regexp'." (interactive) (let* ((emacs-load-path 
(getenv "EMACSLOADPATH")) (emacs-non-core-load-path-directories 
(seq-filter (function (lambda (dir) (string-match-p 
"/share/emacs/site-lisp" dir))) (split-string emacs-load-path ":"))) 
(autoloads (mapcan (function guix-emacs-find-autoloads) 
emacs-non-core-load-path-directories))) (mapc (function (lambda (f) 
(load f (quote noerror)))) autoloads))), 78

I'll let you know if I can find any fix for this when I get some time. 
But just wanted to pass the message along.

Brett

Message #17 received at submit <at> debbugs.gnu.org (full text, mbox):

From: brettg <at> posteo.net
To: Bug guix <Bug-guix <at> gnu.org>, Ricardo Wurmus <rekado <at> elephly.net>
Cc: bug-Guix <bug-guix-bounces+brettg=posteo.net <at> gnu.org>
Subject: Re: bug#38261: Recent changes to emacs build system
Date: Tue, 19 Nov 2019 01:27:39 +0100

On 18.11.2019 22:34, brettg <at> posteo.net wrote:
> On 18.11.2019 21:33, brettg <at> posteo.net wrote:
>> On 18.11.2019 21:28, brettg <at> posteo.net wrote:
>>> On 18.11.2019 20:01, brettg <at> posteo.net wrote:
>>>> Hey all, the recent changes to the emacs build system result in a 
>>>> few
>>>> broken packages like emacs-pdf-tools, or basically anything that 
>>>> uses
>>>> a phase for emacs-set-emacs-load-path.
>>>> 
>>>> For example, I borrowed the technique used by emacs-pdf-tools to
>>>> package emacs-telega, resulting in both packages failing to build:
>>>> 
>>>> Here is the code for emacs-telega:
>>>> 
>>>> https://git.sr.ht/~brettgilio/cfg/tree/master/channel/non-gnu/packages/emacs-xyz.scm#L99
>>>> 
>>>> The issue is in this phase for both emacs-pdf-tools and my channel 
>>>> package:
>>>> 
>>>>  (add-after 'compress-documentation 'emacs-set-emacs-load-path
>>>> 			  (assoc-ref emacs:%standard-phases 'set-emacs-load-path))
>>>> 
>>>> Resulting in:
>>>> 
>>>> starting phase `emacs-set-emacs-load-path'
>>>> Backtrace:
>>>>            5 (primitive-load 
>>>> "/gnu/store/5b1p1gsvfyi4fbx4s42rhab2dns…")
>>>> In ice-9/eval.scm:
>>>>    191:35  4 (_ _)
>>>> In ice-9/boot-9.scm:
>>>>     829:9  3 (catch _ _ #<procedure 7ffff3bbb518 at 
>>>> /gnu/store/zmkg…> …)
>>>> In srfi/srfi-1.scm:
>>>>    863:16  2 (every1 #<procedure 7ffff30ae160 at 
>>>> /gnu/store/zmkgrvv…> …)
>>>> In
>>>> /gnu/store/zmkgrvvhmrix2b1z7id6zrg9bb7qxzdl-module-import/guix/build/gnu-build-system.scm:
>>>>    839:30  1 (_ _)
>>>> In unknown file:
>>>>            0 (_ #:source 
>>>> "/gnu/store/qw8xbmk6ryl9a2jrp0gip3yffmsdix…" …)
>>>> 
>>>> ERROR: Wrong type to apply: #f
>>>> 
>>>> If we suspect that changes are going to be non-backwards compatible
>>>> could we use the news system to pass along that message? Much
>>>> appreciated. Thanks.
>>>> 
>>>> Brett Gilio
>>> 
>>> I applied a hotfix to the package by replacing 'set-emacs-load-path
>>> with 'add-source-to-load-path. I believe this fix would work for all
>>> other affected packages.
>> 
>> https://git.sr.ht/~brettgilio/cfg/commit/c24a6db9d25151c487e9db675bd74e4bb3912173
> 
> Ricardo, just wanted to make you aware that this emacs-build-system
> change does break your guile-studio. I discovered this because I
> adopted some of your ideas of autoloading in the generated emacs lisp
> from guile-studio when creating my own emacs configuration dependent
> on guix, which resulted in
> 
> progn: Wrong number of arguments: (lambda nil "Autoload Emacs packages
> found in EMACSLOADPATH.
> 
> 'Autoload' means to load the 'autoloads' files matching
> `guix-emacs-autoloads-regexp'." (interactive) (let* ((emacs-load-path
> (getenv "EMACSLOADPATH")) (emacs-non-core-load-path-directories
> (seq-filter (function (lambda (dir) (string-match-p
> "/share/emacs/site-lisp" dir))) (split-string emacs-load-path ":")))
> (autoloads (mapcan (function guix-emacs-find-autoloads)
> emacs-non-core-load-path-directories))) (mapc (function (lambda (f)
> (load f (quote noerror)))) autoloads))), 78
> 
> I'll let you know if I can find any fix for this when I get some time.
> But just wanted to pass the message along.
> 
> Brett

I tried removing the arguments passed to `guix-emacs-autoload-packages' 
as the updated version 
(http://git.savannah.gnu.org/cgit/guix.git/tree/gnu/packages/aux-files/emacs/guix-emacs.el?id=47b3b4c2aa49e21f4cc32c97ff7bbbd069bb849c) 
does not carry arguments anymore, instead depending on a variable 
EMACSLOADPATH. However, whenever that is done it returns

split-string: Wrong type argument: stringp, nil

possibly because my system is not finding EMACSLOADPATH.

I will keep investigating.

Message #20 received at submit <at> debbugs.gnu.org (full text, mbox):

From: brettg <at> posteo.net
To: Bug guix <Bug-guix <at> gnu.org>, Ricardo Wurmus <rekado <at> elephly.net>
Cc: bug-Guix <bug-guix-bounces+brettg=posteo.net <at> gnu.org>
Subject: Re: bug#38261: Recent changes to emacs build system
Date: Tue, 19 Nov 2019 01:32:06 +0100

On 19.11.2019 01:27, brettg <at> posteo.net wrote:
> On 18.11.2019 22:34, brettg <at> posteo.net wrote:
>> On 18.11.2019 21:33, brettg <at> posteo.net wrote:
>>> On 18.11.2019 21:28, brettg <at> posteo.net wrote:
>>>> On 18.11.2019 20:01, brettg <at> posteo.net wrote:
>>>>> Hey all, the recent changes to the emacs build system result in a 
>>>>> few
>>>>> broken packages like emacs-pdf-tools, or basically anything that 
>>>>> uses
>>>>> a phase for emacs-set-emacs-load-path.
>>>>> 
>>>>> For example, I borrowed the technique used by emacs-pdf-tools to
>>>>> package emacs-telega, resulting in both packages failing to build:
>>>>> 
>>>>> Here is the code for emacs-telega:
>>>>> 
>>>>> https://git.sr.ht/~brettgilio/cfg/tree/master/channel/non-gnu/packages/emacs-xyz.scm#L99
>>>>> 
>>>>> The issue is in this phase for both emacs-pdf-tools and my channel 
>>>>> package:
>>>>> 
>>>>>  (add-after 'compress-documentation 'emacs-set-emacs-load-path
>>>>> 			  (assoc-ref emacs:%standard-phases 'set-emacs-load-path))
>>>>> 
>>>>> Resulting in:
>>>>> 
>>>>> starting phase `emacs-set-emacs-load-path'
>>>>> Backtrace:
>>>>>            5 (primitive-load 
>>>>> "/gnu/store/5b1p1gsvfyi4fbx4s42rhab2dns…")
>>>>> In ice-9/eval.scm:
>>>>>    191:35  4 (_ _)
>>>>> In ice-9/boot-9.scm:
>>>>>     829:9  3 (catch _ _ #<procedure 7ffff3bbb518 at 
>>>>> /gnu/store/zmkg…> …)
>>>>> In srfi/srfi-1.scm:
>>>>>    863:16  2 (every1 #<procedure 7ffff30ae160 at 
>>>>> /gnu/store/zmkgrvv…> …)
>>>>> In
>>>>> /gnu/store/zmkgrvvhmrix2b1z7id6zrg9bb7qxzdl-module-import/guix/build/gnu-build-system.scm:
>>>>>    839:30  1 (_ _)
>>>>> In unknown file:
>>>>>            0 (_ #:source 
>>>>> "/gnu/store/qw8xbmk6ryl9a2jrp0gip3yffmsdix…" …)
>>>>> 
>>>>> ERROR: Wrong type to apply: #f
>>>>> 
>>>>> If we suspect that changes are going to be non-backwards compatible
>>>>> could we use the news system to pass along that message? Much
>>>>> appreciated. Thanks.
>>>>> 
>>>>> Brett Gilio
>>>> 
>>>> I applied a hotfix to the package by replacing 'set-emacs-load-path
>>>> with 'add-source-to-load-path. I believe this fix would work for all
>>>> other affected packages.
>>> 
>>> https://git.sr.ht/~brettgilio/cfg/commit/c24a6db9d25151c487e9db675bd74e4bb3912173
>> 
>> Ricardo, just wanted to make you aware that this emacs-build-system
>> change does break your guile-studio. I discovered this because I
>> adopted some of your ideas of autoloading in the generated emacs lisp
>> from guile-studio when creating my own emacs configuration dependent
>> on guix, which resulted in
>> 
>> progn: Wrong number of arguments: (lambda nil "Autoload Emacs packages
>> found in EMACSLOADPATH.
>> 
>> 'Autoload' means to load the 'autoloads' files matching
>> `guix-emacs-autoloads-regexp'." (interactive) (let* ((emacs-load-path
>> (getenv "EMACSLOADPATH")) (emacs-non-core-load-path-directories
>> (seq-filter (function (lambda (dir) (string-match-p
>> "/share/emacs/site-lisp" dir))) (split-string emacs-load-path ":")))
>> (autoloads (mapcan (function guix-emacs-find-autoloads)
>> emacs-non-core-load-path-directories))) (mapc (function (lambda (f)
>> (load f (quote noerror)))) autoloads))), 78
>> 
>> I'll let you know if I can find any fix for this when I get some time.
>> But just wanted to pass the message along.
>> 
>> Brett
> 
> I tried removing the arguments passed to
> `guix-emacs-autoload-packages' as the updated version
> (http://git.savannah.gnu.org/cgit/guix.git/tree/gnu/packages/aux-files/emacs/guix-emacs.el?id=47b3b4c2aa49e21f4cc32c97ff7bbbd069bb849c)
> does not carry arguments anymore, instead depending on a variable
> EMACSLOADPATH. However, whenever that is done it returns
> 
> split-string: Wrong type argument: stringp, nil
> 
> possibly because my system is not finding EMACSLOADPATH.
> 
> I will keep investigating.

I can confirm, when running something analogous to `guix environment 
--ad-hoc emacs-dashboard` no changes are being made to the 
$GUIX_ENVIRONMENT/etc/profile to resemble EMACSLOADPATH.

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

From: brettg <at> posteo.net
To: Bug guix <Bug-guix <at> gnu.org>, Ricardo Wurmus <rekado <at> elephly.net>
Cc: bug-Guix <bug-guix-bounces+brettg=posteo.net <at> gnu.org>
Subject: Re: bug#38261: Recent changes to emacs build system
Date: Tue, 19 Nov 2019 02:58:33 +0100

On 19.11.2019 01:32, brettg <at> posteo.net wrote:
> On 19.11.2019 01:27, brettg <at> posteo.net wrote:
>> On 18.11.2019 22:34, brettg <at> posteo.net wrote:
>>> On 18.11.2019 21:33, brettg <at> posteo.net wrote:
>>>> On 18.11.2019 21:28, brettg <at> posteo.net wrote:
>>>>> On 18.11.2019 20:01, brettg <at> posteo.net wrote:
>>>>>> Hey all, the recent changes to the emacs build system result in a 
>>>>>> few
>>>>>> broken packages like emacs-pdf-tools, or basically anything that 
>>>>>> uses
>>>>>> a phase for emacs-set-emacs-load-path.
>>>>>> 
>>>>>> For example, I borrowed the technique used by emacs-pdf-tools to
>>>>>> package emacs-telega, resulting in both packages failing to build:
>>>>>> 
>>>>>> Here is the code for emacs-telega:
>>>>>> 
>>>>>> https://git.sr.ht/~brettgilio/cfg/tree/master/channel/non-gnu/packages/emacs-xyz.scm#L99
>>>>>> 
>>>>>> The issue is in this phase for both emacs-pdf-tools and my channel 
>>>>>> package:
>>>>>> 
>>>>>>  (add-after 'compress-documentation 'emacs-set-emacs-load-path
>>>>>> 			  (assoc-ref emacs:%standard-phases 'set-emacs-load-path))
>>>>>> 
>>>>>> Resulting in:
>>>>>> 
>>>>>> starting phase `emacs-set-emacs-load-path'
>>>>>> Backtrace:
>>>>>>            5 (primitive-load 
>>>>>> "/gnu/store/5b1p1gsvfyi4fbx4s42rhab2dns…")
>>>>>> In ice-9/eval.scm:
>>>>>>    191:35  4 (_ _)
>>>>>> In ice-9/boot-9.scm:
>>>>>>     829:9  3 (catch _ _ #<procedure 7ffff3bbb518 at 
>>>>>> /gnu/store/zmkg…> …)
>>>>>> In srfi/srfi-1.scm:
>>>>>>    863:16  2 (every1 #<procedure 7ffff30ae160 at 
>>>>>> /gnu/store/zmkgrvv…> …)
>>>>>> In
>>>>>> /gnu/store/zmkgrvvhmrix2b1z7id6zrg9bb7qxzdl-module-import/guix/build/gnu-build-system.scm:
>>>>>>    839:30  1 (_ _)
>>>>>> In unknown file:
>>>>>>            0 (_ #:source 
>>>>>> "/gnu/store/qw8xbmk6ryl9a2jrp0gip3yffmsdix…" …)
>>>>>> 
>>>>>> ERROR: Wrong type to apply: #f
>>>>>> 
>>>>>> If we suspect that changes are going to be non-backwards 
>>>>>> compatible
>>>>>> could we use the news system to pass along that message? Much
>>>>>> appreciated. Thanks.
>>>>>> 
>>>>>> Brett Gilio
>>>>> 
>>>>> I applied a hotfix to the package by replacing 'set-emacs-load-path
>>>>> with 'add-source-to-load-path. I believe this fix would work for 
>>>>> all
>>>>> other affected packages.
>>>> 
>>>> https://git.sr.ht/~brettgilio/cfg/commit/c24a6db9d25151c487e9db675bd74e4bb3912173
>>> 
>>> Ricardo, just wanted to make you aware that this emacs-build-system
>>> change does break your guile-studio. I discovered this because I
>>> adopted some of your ideas of autoloading in the generated emacs lisp
>>> from guile-studio when creating my own emacs configuration dependent
>>> on guix, which resulted in
>>> 
>>> progn: Wrong number of arguments: (lambda nil "Autoload Emacs 
>>> packages
>>> found in EMACSLOADPATH.
>>> 
>>> 'Autoload' means to load the 'autoloads' files matching
>>> `guix-emacs-autoloads-regexp'." (interactive) (let* ((emacs-load-path
>>> (getenv "EMACSLOADPATH")) (emacs-non-core-load-path-directories
>>> (seq-filter (function (lambda (dir) (string-match-p
>>> "/share/emacs/site-lisp" dir))) (split-string emacs-load-path ":")))
>>> (autoloads (mapcan (function guix-emacs-find-autoloads)
>>> emacs-non-core-load-path-directories))) (mapc (function (lambda (f)
>>> (load f (quote noerror)))) autoloads))), 78
>>> 
>>> I'll let you know if I can find any fix for this when I get some 
>>> time.
>>> But just wanted to pass the message along.
>>> 
>>> Brett
>> 
>> I tried removing the arguments passed to
>> `guix-emacs-autoload-packages' as the updated version
>> (http://git.savannah.gnu.org/cgit/guix.git/tree/gnu/packages/aux-files/emacs/guix-emacs.el?id=47b3b4c2aa49e21f4cc32c97ff7bbbd069bb849c)
>> does not carry arguments anymore, instead depending on a variable
>> EMACSLOADPATH. However, whenever that is done it returns
>> 
>> split-string: Wrong type argument: stringp, nil
>> 
>> possibly because my system is not finding EMACSLOADPATH.
>> 
>> I will keep investigating.
> 
> I can confirm, when running something analogous to `guix environment
> --ad-hoc emacs-dashboard` no changes are being made to the
> $GUIX_ENVIRONMENT/etc/profile to resemble EMACSLOADPATH.

So I have investigated the issue with EMACSLOADPATH: Similar to 
Ricardo's guile-studio,
my package enlign was using the autoload function from guix-emacs.el to 
propagate a list
of packages called from inputs to be loaded with the start of emacs.

I have since revised this to just call the autoload function directly, 
no longer passing any arguments, and had to modify my enlign package to 
respect the EMACSLOADPATH variable. This is only possible if all of the 
packages are passed as propagated-inputs though, which is less than 
desirable in my opinion (though I am willing to be convinced.)

This additionally leads to having to require emacs as a propagated input 
as well, as leading it native or regular input leads to an error with 
emacs not recognizing simple.el or mule-util.

Overall, I am not sure if I like the recent change to guix-emacs.el. I 
understand where the incentive is to do this, but ultimately it seems to 
lead to more headache when creating packages around emacs.

https://git.sr.ht/~brettgilio/cfg/commit/47bc9ae544ba10c0cacef1435625dcb0114e8cf5

Anyways,

If there is no other comment, this issue really just needs to fix 
emacs-pdf-tools and other affected packages from the recent string of 
changes.

Best,
Brett Gilio

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

From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: brettg <at> posteo.net
Cc: Ricardo Wurmus <rekado <at> elephly.net>,
 bug-Guix <bug-guix-bounces+brettg=posteo.net <at> gnu.org>,
 Bug guix <Bug-guix <at> gnu.org>
Subject: Re: bug#38261: Recent changes to emacs build system
Date: Wed, 20 Nov 2019 06:14:46 +0900

Hello Brett,

Thank you for the heads-up concerning the latest changes to the way
Emacs find its libraries and the adjustments done to the
emacs-build-system.

brettg <at> posteo.net writes:

> On 19.11.2019 01:32, brettg <at> posteo.net wrote:
>> On 19.11.2019 01:27, brettg <at> posteo.net wrote:
>>> On 18.11.2019 22:34, brettg <at> posteo.net wrote:
>>>> On 18.11.2019 21:33, brettg <at> posteo.net wrote:
>>>>> On 18.11.2019 21:28, brettg <at> posteo.net wrote:
>>>>>> On 18.11.2019 20:01, brettg <at> posteo.net wrote:
>>>>>>> Hey all, the recent changes to the emacs build system result in
>>>>>>> a few
>>>>>>> broken packages like emacs-pdf-tools, or basically anything
>>>>>>> that uses
>>>>>>> a phase for emacs-set-emacs-load-path.
>>>>>>>
>>>>>>> For example, I borrowed the technique used by emacs-pdf-tools to
>>>>>>> package emacs-telega, resulting in both packages failing to build:
>>>>>>>
>>>>>>> Here is the code for emacs-telega:
>>>>>>>
>>>>>>> https://git.sr.ht/~brettgilio/cfg/tree/master/channel/non-gnu/packages/emacs-xyz.scm#L99
>>>>>>>
>>>>>>> The issue is in this phase for both emacs-pdf-tools and my
>>>>>>> channel package:
>>>>>>>
>>>>>>>  (add-after 'compress-documentation 'emacs-set-emacs-load-path
>>>>>>> 			  (assoc-ref emacs:%standard-phases 'set-emacs-load-path))
>>>>>>>
>>>>>>> Resulting in:
>>>>>>>
>>>>>>> starting phase `emacs-set-emacs-load-path'
>>>>>>> Backtrace:
>>>>>>>            5 (primitive-load
>>>>>>> "/gnu/store/5b1p1gsvfyi4fbx4s42rhab2dns…")
>>>>>>> In ice-9/eval.scm:
>>>>>>>    191:35  4 (_ _)
>>>>>>> In ice-9/boot-9.scm:
>>>>>>>     829:9  3 (catch _ _ #<procedure 7ffff3bbb518 at
>>>>>>> /gnu/store/zmkg…> …)
>>>>>>> In srfi/srfi-1.scm:
>>>>>>>    863:16  2 (every1 #<procedure 7ffff30ae160 at
>>>>>>> /gnu/store/zmkgrvv…> …)
>>>>>>> In
>>>>>>> /gnu/store/zmkgrvvhmrix2b1z7id6zrg9bb7qxzdl-module-import/guix/build/gnu-build-system.scm:
>>>>>>>    839:30  1 (_ _)
>>>>>>> In unknown file:
>>>>>>>            0 (_ #:source
>>>>>>> "/gnu/store/qw8xbmk6ryl9a2jrp0gip3yffmsdix…" …)
>>>>>>>
>>>>>>> ERROR: Wrong type to apply: #f

Sorry for failing to foresee this problem.  I've fixed the couple
packages that were impacted on master now.  You can have a look at the
fixes (they are fairly simple).

>>>>>>> If we suspect that changes are going to be non-backwards
>>>>>>> compatible
>>>>>>> could we use the news system to pass along that message? Much
>>>>>>> appreciated. Thanks.
>>>>>>>
>>>>>>> Brett Gilio
>>>>>>
>>>>>> I applied a hotfix to the package by replacing 'set-emacs-load-path
>>>>>> with 'add-source-to-load-path. I believe this fix would work for
>>>>>> all
>>>>>> other affected packages.
>>>>>
>>>>> https://git.sr.ht/~brettgilio/cfg/commit/c24a6db9d25151c487e9db675bd74e4bb3912173

Indeed!

>>>> Ricardo, just wanted to make you aware that this emacs-build-system
>>>> change does break your guile-studio. I discovered this because I
>>>> adopted some of your ideas of autoloading in the generated emacs lisp
>>>> from guile-studio when creating my own emacs configuration dependent
>>>> on guix, which resulted in
>>>>
>>>> progn: Wrong number of arguments: (lambda nil "Autoload Emacs
>>>> packages
>>>> found in EMACSLOADPATH.
>>>>
>>>> 'Autoload' means to load the 'autoloads' files matching
>>>> `guix-emacs-autoloads-regexp'." (interactive) (let* ((emacs-load-path
>>>> (getenv "EMACSLOADPATH")) (emacs-non-core-load-path-directories
>>>> (seq-filter (function (lambda (dir) (string-match-p
>>>> "/share/emacs/site-lisp" dir))) (split-string emacs-load-path ":")))
>>>> (autoloads (mapcan (function guix-emacs-find-autoloads)
>>>> emacs-non-core-load-path-directories))) (mapc (function (lambda (f)
>>>> (load f (quote noerror)))) autoloads))), 78
>>>>
>>>> I'll let you know if I can find any fix for this when I get some
>>>> time.
>>>> But just wanted to pass the message along.
>>>>
>>>> Brett
>>>
>>> I tried removing the arguments passed to
>>> `guix-emacs-autoload-packages' as the updated version
>>> (http://git.savannah.gnu.org/cgit/guix.git/tree/gnu/packages/aux-files/emacs/guix-emacs.el?id=47b3b4c2aa49e21f4cc32c97ff7bbbd069bb849c)
>>> does not carry arguments anymore, instead depending on a variable
>>> EMACSLOADPATH. However, whenever that is done it returns
>>>
>>> split-string: Wrong type argument: stringp, nil
>>>
>>> possibly because my system is not finding EMACSLOADPATH.

Yes, that's the reason.  Perhaps it could be worthwhile to give a better
message in this condition, but it's unclear to me why this condition
would arise at all.  Would you mind giving some more background to how
you got into that situation?  I'll try building guile-studio and see if
I could get a hint or two.

>>> I will keep investigating.
>>
>> I can confirm, when running something analogous to `guix environment
>> --ad-hoc emacs-dashboard` no changes are being made to the
>> $GUIX_ENVIRONMENT/etc/profile to resemble EMACSLOADPATH.
>
> So I have investigated the issue with EMACSLOADPATH: Similar to
> Ricardo's guile-studio,
> my package enlign was using the autoload function from guix-emacs.el
> to propagate a list
> of packages called from inputs to be loaded with the start of emacs.
>
> I have since revised this to just call the autoload function directly,
> no longer passing any arguments, and had to modify my enlign package
> to respect the EMACSLOADPATH variable. This is only possible if all of
> the packages are passed as propagated-inputs though, which is less
> than desirable in my opinion (though I am willing to be convinced.)

Is your package an Emacs library/package? If so, just defining the other
Elisp dependencies of this package as propagated inputs would be the
correct solution.

For other cases (I can't think of how that would work exactly), perhaps
wrapping the package's script with the computed EMACSLOADPATH
environment variable could do?

> This additionally leads to having to require emacs as a propagated
> input as well, as leading it native or regular input leads to an error
> with emacs not recognizing simple.el or mule-util.

Do you mean, that your package somehow uses Emacs without having Emacs
installed in the profile (not being propagated)?  If this is the case,
wrapping your program with EMACSLOADPATH (and patching its reference to
Emacs) should work, without having to propagate anything.

> Overall, I am not sure if I like the recent change to guix-emacs.el. I
> understand where the incentive is to do this, but ultimately it seems
> to lead to more headache when creating packages around emacs.
>
> https://git.sr.ht/~brettgilio/cfg/commit/47bc9ae544ba10c0cacef1435625dcb0114e8cf5
>
> Anyways,
>
> If there is no other comment, this issue really just needs to fix
> emacs-pdf-tools and other affected packages from the recent string of
> changes.

I'm sorry you've had some problems with this recent change!  Thanks for
bringing them out.  Please do continue, I'm interested to know about any
remaining issues you might find.

Maxim

Message #29 received at submit <at> debbugs.gnu.org (full text, mbox):

From: brettg <at> posteo.net
To: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
Cc: Ricardo Wurmus <rekado <at> elephly.net>,
 bug-Guix <bug-guix-bounces+brettg=posteo.net <at> gnu.org>,
 Bug guix <Bug-guix <at> gnu.org>
Subject: Re: bug#38261: Recent changes to emacs build system
Date: Tue, 19 Nov 2019 22:16:43 +0100

On 19.11.2019 22:14, Maxim Cournoyer wrote:
> Hello Brett,
> 
> Thank you for the heads-up concerning the latest changes to the way
> Emacs find its libraries and the adjustments done to the
> emacs-build-system.
> 
> brettg <at> posteo.net writes:
> 
>> On 19.11.2019 01:32, brettg <at> posteo.net wrote:
>>> On 19.11.2019 01:27, brettg <at> posteo.net wrote:
>>>> On 18.11.2019 22:34, brettg <at> posteo.net wrote:
>>>>> On 18.11.2019 21:33, brettg <at> posteo.net wrote:
>>>>>> On 18.11.2019 21:28, brettg <at> posteo.net wrote:
>>>>>>> On 18.11.2019 20:01, brettg <at> posteo.net wrote:
>>>>>>>> Hey all, the recent changes to the emacs build system result in
>>>>>>>> a few
>>>>>>>> broken packages like emacs-pdf-tools, or basically anything
>>>>>>>> that uses
>>>>>>>> a phase for emacs-set-emacs-load-path.
>>>>>>>> 
>>>>>>>> For example, I borrowed the technique used by emacs-pdf-tools to
>>>>>>>> package emacs-telega, resulting in both packages failing to 
>>>>>>>> build:
>>>>>>>> 
>>>>>>>> Here is the code for emacs-telega:
>>>>>>>> 
>>>>>>>> https://git.sr.ht/~brettgilio/cfg/tree/master/channel/non-gnu/packages/emacs-xyz.scm#L99
>>>>>>>> 
>>>>>>>> The issue is in this phase for both emacs-pdf-tools and my
>>>>>>>> channel package:
>>>>>>>> 
>>>>>>>>  (add-after 'compress-documentation 'emacs-set-emacs-load-path
>>>>>>>> 			  (assoc-ref emacs:%standard-phases 'set-emacs-load-path))
>>>>>>>> 
>>>>>>>> Resulting in:
>>>>>>>> 
>>>>>>>> starting phase `emacs-set-emacs-load-path'
>>>>>>>> Backtrace:
>>>>>>>>            5 (primitive-load
>>>>>>>> "/gnu/store/5b1p1gsvfyi4fbx4s42rhab2dns…")
>>>>>>>> In ice-9/eval.scm:
>>>>>>>>    191:35  4 (_ _)
>>>>>>>> In ice-9/boot-9.scm:
>>>>>>>>     829:9  3 (catch _ _ #<procedure 7ffff3bbb518 at
>>>>>>>> /gnu/store/zmkg…> …)
>>>>>>>> In srfi/srfi-1.scm:
>>>>>>>>    863:16  2 (every1 #<procedure 7ffff30ae160 at
>>>>>>>> /gnu/store/zmkgrvv…> …)
>>>>>>>> In
>>>>>>>> /gnu/store/zmkgrvvhmrix2b1z7id6zrg9bb7qxzdl-module-import/guix/build/gnu-build-system.scm:
>>>>>>>>    839:30  1 (_ _)
>>>>>>>> In unknown file:
>>>>>>>>            0 (_ #:source
>>>>>>>> "/gnu/store/qw8xbmk6ryl9a2jrp0gip3yffmsdix…" …)
>>>>>>>> 
>>>>>>>> ERROR: Wrong type to apply: #f
> 
> Sorry for failing to foresee this problem.  I've fixed the couple
> packages that were impacted on master now.  You can have a look at the
> fixes (they are fairly simple).
> 
>>>>>>>> If we suspect that changes are going to be non-backwards
>>>>>>>> compatible
>>>>>>>> could we use the news system to pass along that message? Much
>>>>>>>> appreciated. Thanks.
>>>>>>>> 
>>>>>>>> Brett Gilio
>>>>>>> 
>>>>>>> I applied a hotfix to the package by replacing 
>>>>>>> 'set-emacs-load-path
>>>>>>> with 'add-source-to-load-path. I believe this fix would work for
>>>>>>> all
>>>>>>> other affected packages.
>>>>>> 
>>>>>> https://git.sr.ht/~brettgilio/cfg/commit/c24a6db9d25151c487e9db675bd74e4bb3912173
> 
> Indeed!
> 
>>>>> Ricardo, just wanted to make you aware that this emacs-build-system
>>>>> change does break your guile-studio. I discovered this because I
>>>>> adopted some of your ideas of autoloading in the generated emacs 
>>>>> lisp
>>>>> from guile-studio when creating my own emacs configuration 
>>>>> dependent
>>>>> on guix, which resulted in
>>>>> 
>>>>> progn: Wrong number of arguments: (lambda nil "Autoload Emacs
>>>>> packages
>>>>> found in EMACSLOADPATH.
>>>>> 
>>>>> 'Autoload' means to load the 'autoloads' files matching
>>>>> `guix-emacs-autoloads-regexp'." (interactive) (let* 
>>>>> ((emacs-load-path
>>>>> (getenv "EMACSLOADPATH")) (emacs-non-core-load-path-directories
>>>>> (seq-filter (function (lambda (dir) (string-match-p
>>>>> "/share/emacs/site-lisp" dir))) (split-string emacs-load-path 
>>>>> ":")))
>>>>> (autoloads (mapcan (function guix-emacs-find-autoloads)
>>>>> emacs-non-core-load-path-directories))) (mapc (function (lambda (f)
>>>>> (load f (quote noerror)))) autoloads))), 78
>>>>> 
>>>>> I'll let you know if I can find any fix for this when I get some
>>>>> time.
>>>>> But just wanted to pass the message along.
>>>>> 
>>>>> Brett
>>>> 
>>>> I tried removing the arguments passed to
>>>> `guix-emacs-autoload-packages' as the updated version
>>>> (http://git.savannah.gnu.org/cgit/guix.git/tree/gnu/packages/aux-files/emacs/guix-emacs.el?id=47b3b4c2aa49e21f4cc32c97ff7bbbd069bb849c)
>>>> does not carry arguments anymore, instead depending on a variable
>>>> EMACSLOADPATH. However, whenever that is done it returns
>>>> 
>>>> split-string: Wrong type argument: stringp, nil
>>>> 
>>>> possibly because my system is not finding EMACSLOADPATH.
> 
> Yes, that's the reason.  Perhaps it could be worthwhile to give a 
> better
> message in this condition, but it's unclear to me why this condition
> would arise at all.  Would you mind giving some more background to how
> you got into that situation?  I'll try building guile-studio and see if
> I could get a hint or two.
> 
>>>> I will keep investigating.
>>> 
>>> I can confirm, when running something analogous to `guix environment
>>> --ad-hoc emacs-dashboard` no changes are being made to the
>>> $GUIX_ENVIRONMENT/etc/profile to resemble EMACSLOADPATH.
>> 
>> So I have investigated the issue with EMACSLOADPATH: Similar to
>> Ricardo's guile-studio,
>> my package enlign was using the autoload function from guix-emacs.el
>> to propagate a list
>> of packages called from inputs to be loaded with the start of emacs.
>> 
>> I have since revised this to just call the autoload function directly,
>> no longer passing any arguments, and had to modify my enlign package
>> to respect the EMACSLOADPATH variable. This is only possible if all of
>> the packages are passed as propagated-inputs though, which is less
>> than desirable in my opinion (though I am willing to be convinced.)
> 
> Is your package an Emacs library/package? If so, just defining the 
> other
> Elisp dependencies of this package as propagated inputs would be the
> correct solution.
> 
> For other cases (I can't think of how that would work exactly), perhaps
> wrapping the package's script with the computed EMACSLOADPATH
> environment variable could do?
> 
>> This additionally leads to having to require emacs as a propagated
>> input as well, as leading it native or regular input leads to an error
>> with emacs not recognizing simple.el or mule-util.
> 
> Do you mean, that your package somehow uses Emacs without having Emacs
> installed in the profile (not being propagated)?  If this is the case,
> wrapping your program with EMACSLOADPATH (and patching its reference to
> Emacs) should work, without having to propagate anything.
> 
>> Overall, I am not sure if I like the recent change to guix-emacs.el. I
>> understand where the incentive is to do this, but ultimately it seems
>> to lead to more headache when creating packages around emacs.
>> 
>> https://git.sr.ht/~brettgilio/cfg/commit/47bc9ae544ba10c0cacef1435625dcb0114e8cf5
>> 
>> Anyways,
>> 
>> If there is no other comment, this issue really just needs to fix
>> emacs-pdf-tools and other affected packages from the recent string of
>> changes.
> 
> I'm sorry you've had some problems with this recent change!  Thanks for
> bringing them out.  Please do continue, I'm interested to know about 
> any
> remaining issues you might find.
> 
> Maxim

Thank you for your work Maxim, I think most of them are resolved now. I 
do wonder about what prompted the change, though. Perhaps you might 
share?

Brett

Message #32 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: brettg <at> posteo.net
Cc: Ricardo Wurmus <rekado <at> elephly.net>,
 bug-Guix <bug-guix-bounces+brettg=posteo.net <at> gnu.org>,
 Bug guix <Bug-guix <at> gnu.org>
Subject: Re: bug#38261: Recent changes to emacs build system
Date: Wed, 20 Nov 2019 06:29:05 +0900

brettg <at> posteo.net writes:

[...]

> Thank you for your work Maxim, I think most of them are resolved
> now. I do wonder about what prompted the change, though. Perhaps you
> might share?
>
> Brett

The main motivation was to gain the ability to install Emacs in a given
profile and have it use the Elisp libraries installed in said profile
(and only from that profile).  Using a search path specification is the
native Guix mechanism to find libraries for systems that mostly rely on
the FHS and means it work consistently across profiles, environments, or
other features supported by Guix.

There was a discussion here about this change and some feedback in the
two weeks it was published preceding its merge:
https://lists.gnu.org/archive/html/help-guix/2019-11/msg00000.html.

HTH!

Maxim

Message #35 received at submit <at> debbugs.gnu.org (full text, mbox):

From: brettg <at> posteo.net
To: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
Cc: Ricardo Wurmus <rekado <at> elephly.net>,
 bug-Guix <bug-guix-bounces+brettg=posteo.net <at> gnu.org>,
 Bug guix <Bug-guix <at> gnu.org>
Subject: Re: bug#38261: Recent changes to emacs build system
Date: Tue, 19 Nov 2019 22:32:29 +0100

On 19.11.2019 22:29, Maxim Cournoyer wrote:
> brettg <at> posteo.net writes:
> 
> [...]
> 
>> Thank you for your work Maxim, I think most of them are resolved
>> now. I do wonder about what prompted the change, though. Perhaps you
>> might share?
>> 
>> Brett
> 
> The main motivation was to gain the ability to install Emacs in a given
> profile and have it use the Elisp libraries installed in said profile
> (and only from that profile).  Using a search path specification is the
> native Guix mechanism to find libraries for systems that mostly rely on
> the FHS and means it work consistently across profiles, environments, 
> or
> other features supported by Guix.
> 
> There was a discussion here about this change and some feedback in the
> two weeks it was published preceding its merge:
> https://lists.gnu.org/archive/html/help-guix/2019-11/msg00000.html.
> 
> HTH!
> 
> Maxim

Maxim, indeed it does! I guess I was out of the loop on that 
conversation and it just took me by surprise! Thanks for your efforts.

Best,
Brett

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