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

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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: 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

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