gnu: Add cl-asdf-finalizers.

* gnu/packages/lisp-xyz.scm (cl-asdf-finalizers, ecl-asdf-finalizers,
  sbcl-asdf-finalizers): New variables.

Co-authored-by: Guillaume Le Vaillant <glv@posteo.net>

gnu/packages/lisp-xyz.scm

@@ -110,6 +110,45 @@ portable between implementations.")
 (define-public ecl-alexandria
   (sbcl-package->ecl-package sbcl-alexandria))
 
+(define-public sbcl-asdf-finalizers
+  (let ((commit "7f537f6c598b662ae987c6acc268dd27c25977e0")
+        (revision "1"))
+    (package
+      (name "sbcl-asdf-finalizers")
+      (version (git-version "0.0.0" revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://gitlab.common-lisp.net/asdf/asdf-finalizers")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32 "1w56c9yjjydjshsgqxz57qlp2v3r4ilbisnsgiqphvxnhvd41y0v"))))
+      (build-system asdf-build-system/sbcl)
+      (native-inputs
+       `(("fare-utils" ,sbcl-fare-utils)
+         ("hu.dwim.stefil" ,sbcl-hu.dwim.stefil)))
+      (arguments
+       `(#:asd-files '("asdf-finalizers.asd"
+                       "list-of.asd"
+                       "asdf-finalizers-test.asd")
+         #:asd-systems '("asdf-finalizers"
+                         "list-of")))
+      (home-page "https://gitlab.common-lisp.net/asdf/asdf-finalizers")
+      (synopsis "Enforced calling of finalizers for Lisp code")
+      (description "This library allows you to implement and enforce proper
+finalization of compile-time constructs while building Lisp source files.
+
+It produces two systems: asdf-finalizers and list-of.")
+      (license license:expat))))
+
+(define-public ecl-asdf-finalizers
+  (sbcl-package->ecl-package sbcl-asdf-finalizers))
+
+(define-public cl-asdf-finalizers
+  (sbcl-package->cl-source-package sbcl-asdf-finalizers))
+
 (define-public sbcl-net.didierverna.asdf-flv
   (package
     (name "sbcl-net.didierverna.asdf-flv")