gnu: Avoid cycle involving (gnu packages pkg-config).

Fixes a regression introduced in
7a26aee61bbbd8e37745ce13433545333eac4505 whereby (gnu packages
pkg-config) would be caught in a cycle, leading to miscompilation of
package modules, in turn leading to failure to compute the Guix
derivation with exceptions like:

  1. &package-input-error:
      package: #<package libgc@8.2.4 7fee96c4dc60>
      input: ("_" #<syntax-transformer pkg-config>)

* gnu/packages/pkg-config.scm: Autoload (gnu packages check).

Change-Id: I624e701a0c411b6f3d9ad5e10dca6ad7cf552be4
This commit is contained in:
Ludovic Courtès 2024-05-14 17:26:46 +02:00
parent ce7794992d
commit 839285dd5b
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@ -29,7 +29,13 @@ (define-module (gnu packages pkg-config)
#:use-module (guix build-system gnu)
#:use-module (guix build-system trivial)
#:use-module (gnu packages bash)
#:use-module (gnu packages check)
;; Note: Because this module defines the 'pkg-config' macro, it cannot be
;; caught in a cycle with other package modules or the macro wouldn't be
;; visible at the time those other modules are compiled. To fulfill that
;; constraint, load (gnu packages check) lazily.
#:autoload (gnu packages check) (atf kyua)
#:use-module (guix memoization)
#:export (pkg-config))