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 21:28:52 +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.

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