GNU bug report logs - #38408
[PATCH 0/3] (WIP) Semantic version aware recusive importer for crates

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From: Martin Becze <mjbecze <at> riseup.net>
To: Ludovic Courtès <ludo <at> gnu.org>, Efraim Flashner <efraim <at> flashner.co.il>
Cc: 38408 <at> debbugs.gnu.org, jsoo1 <at> asu.edu
Subject: [bug#38408] [PATCH v9 3/8] Added Guile-Semver as a dependency to guix
Date: Tue, 18 Feb 2020 04:30:37 -0500

I'm looking at guile-charting now, and i don't understand how it is 
being used as a soft dependency. in guix/scripts/size.scm line 195 it is 
getting used  with "(module-autoload!"... is that it?

On 2/17/20 9:36 AM, Ludovic Courtès wrote:
> Hi,
> 
> Efraim Flashner <efraim <at> flashner.co.il> skribis:
> 
>>  From 578d6f023c706df999c1b1b1bb23c9771b279857 Mon Sep 17 00:00:00 2001
>> From: Martin Becze <mjbecze <at> riseup.net>
>> Date: Tue, 4 Feb 2020 07:18:20 -0500
>> Subject: [PATCH 3/8] Added Guile-Semver as a dependency to guix
>>
>> * configure.ac: added check for guile-semver
>> * gnu/packages/package-management.scm (guix): added guile-semver as dep
> 
> [...]
> 
>> +dnl Check for Guile-Semver
>> +GUILE_MODULE_AVAILABLE([have_guile_semver], [(semver)])
>> +if test "x$have_guile_semver" != "xyes"; then
>> +  AC_MSG_ERROR([Guile-Semver is missing; please install it.])
>> +fi
> 
> I think a hard dependency like this is too much.
> 
> I would very much prefer to deal with it similar to how we deal with
> Guile-Newt or Guile-Charting: a soft dependency that’s entirely
> optional.
> 
> But I guess that also depends on what Guile-Semver is used for.
> I just posted a question on this topic in that thread.  :-)
> 
> Thanks for reviving this patch series!
> 
> Ludo’.
> 

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