[bug#57654] [PATCH 16/16] gnu: Add cl-definitions-systems.

[jgart]

* gnu/packages/lisp-xyz.scm (cl-definitions-systems,
ecl-definitions-systems, sbcl-definitions-systems): New variables.
---
 gnu/packages/lisp-xyz.scm | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/gnu/packages/lisp-xyz.scm b/gnu/packages/lisp-xyz.scm
index 7431c72911..1b7096a05d 100644
--- a/gnu/packages/lisp-xyz.scm
+++ b/gnu/packages/lisp-xyz.scm
@@ -23752,6 +23752,37 @@ (define-public cl-enhanced-find-class
 (define-public ecl-enhanced-find-class
   (sbcl-package->ecl-package sbcl-enhanced-find-class))
 
+(define-public sbcl-definitions-systems
+  (package
+      (name "sbcl-definitions-systems")
+      (version "2.0.1")
+      (source
+        (origin
+          (method git-fetch)
+          (uri (git-reference
+                (url "https://github.com/Hexstream/definitions-systems";)
+                (commit (string-append "v" version))))
+          (file-name (git-file-name name version))
+          (sha256
+           (base32 "009392mj0qdq4jy0dw5r41schnygwj286759yvyg7xja30a0psfq"))))
+      (build-system asdf-build-system/sbcl)
+      (native-inputs
+        (list sbcl-parachute))
+      (inputs
+        (list sbcl-simple-guess sbcl-canonicalized-initargs))
+      (home-page 
"https://www.hexstreamsoft.com/libraries/definitions-systems/";)
+      (synopsis "Unified extensible way of processing named definitions")
+      (description
+"@code{definitions-systems} provides a simple unified extensible way of
+processing named definitions.")
+      (license license:unlicense)))
+
+(define-public cl-definitions-systems
+  (sbcl-package->cl-source-package sbcl-definitions-systems))
+
+(define-public ecl-definitions-systems
+  (sbcl-package->ecl-package sbcl-definitions-systems))
+
 (define-public sbcl-smug
   (let ((commit "647a2428df297e1dd183ba7c19574bdb1320ae79")
         (revision "0"))
-- 
2.37.2