From 7b875e4efdbc50f321d7ee0b1ed1b74af289e660 Mon Sep 17 00:00:00 2001
From: Guillaume Le Vaillant <glv@posteo.net>
Date: Mon, 3 Feb 2020 14:39:07 +0100
Subject: gnu: Add cl-zpng.

* gnu/packages/lisp-xyz.scm (sbcl-zpng, cl-zpng, ecl-zpng): New variables.
---
 gnu/packages/lisp-xyz.scm | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/gnu/packages/lisp-xyz.scm b/gnu/packages/lisp-xyz.scm
index 5f36b5d454..016d363b80 100644
--- a/gnu/packages/lisp-xyz.scm
+++ b/gnu/packages/lisp-xyz.scm
@@ -10102,3 +10102,30 @@ respectively.")
 
 (define-public ecl-png-read
   (sbcl-package->ecl-package sbcl-png-read))
+
+(define-public sbcl-zpng
+  (package
+    (name "sbcl-zpng")
+    (version "1.2.2")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/xach/zpng.git")
+             (commit (string-append "release-" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "0b3ag3jhl3z7kdls3ahdsdxsfhhw5qrizk769984f4wkxhb69rcm"))))
+    (build-system asdf-build-system/sbcl)
+    (inputs
+     `(("salza2" ,sbcl-salza2)))
+    (synopsis "PNG encoder for Common Lisp")
+    (description "This is a Common Lisp library for creating PNG images.")
+    (home-page "https://www.xach.com/lisp/zpng/")
+    (license license:bsd-2)))
+
+(define-public cl-zpng
+  (sbcl-package->cl-source-package sbcl-zpng))
+
+(define-public ecl-zpng
+  (sbcl-package->ecl-package sbcl-zpng))
-- 
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