Subject: bug#47978: guix/import/go.scm: Dependency on guile-lib >= 0.2.7

From: Vagrant Cascadian <[email-masked]>
Date: Wed, 28 Apr 2021 15:29:04 -0700

On 2021-04-28, Ludovic Courtès wrote:
> Vagrant Cascadian <[email-masked]> skribis:
>
>> When building guix (with commit cb3f9696f6251ad382febad33290fed929c176b4
>> from branch version-1.3.0) on Debian, it fails with the following error
>> with guile-library (a.k.a. guile-lib) version 0.2.6.1-2:
>>
>>   ice-9/eval.scm:293:34: error: %strict-tokenizer?: unbound variable
>>   hint: Did you forget a `use-modules' form?
>>
>>   [ 10%] LOAD     guix/import/go.scm
>>   ;;; Failed to autoload semver-range-contains? in (semver ranges):
>>   ;;; missing interface for module (semver ranges)
>>  ...
>>   ;;; Failed to autoload semver<? in (semver):
>>   ;;; missing interface for module (semver)
>>   ice-9/eval.scm:293:34: error: %strict-tokenizer?: unbound variable
>>   hint: Did you forget a `use-modules' form?
>>
>>
>> Installing guile-library version 0.2.7 works fine.
>
> 34db952a4b655cca9d5dc7158e9a8552d389cbcf fixes it by making Guile-Lib a
> “soft” dependency as was intended.  But yes, 0.2.7 is required if you
> want to use ‘guix import go’.

Makes sense.

Some (e.g. guile-ssh) of the "optional" dependencies are or were
similarly required to build guix in the past ... I should probably file
bugs when I encounter them, sounds like. :)

live well,
  vagrant