gnu: Add julia-zlib-jll.

* gnu/packages/julia-xyz.scm (julia-zlib-jll): New variable.

gnu/packages/julia-xyz.scm

@@ -1,6 +1,7 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2020, 2021 Nicolò Balzarotti <nicolo@nixo.xyz>
 ;;; Copyright © 2021 Simon Tournier <zimon.toutoune@gmail.com>
+;;; Copyright © 2021 Efraim Flashner <efraim@flashner.co.il>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -22,6 +23,7 @@
   #:use-module (guix packages)
   #:use-module (guix git-download)
   #:use-module (guix build-system julia)
+  #:use-module (gnu packages compression)
   #:use-module (gnu packages gcc)
   #:use-module (gnu packages maths)
   #:use-module (gnu packages tls)
@@ -1286,6 +1288,45 @@ working with @acronym{URIs,Uniform Resource Identifiers}, as defined in RFC
 system.")
     (license license:expat)))
 
+(define-public julia-zlib-jll
+  (package
+    (name "julia-zlib-jll")
+    (version "1.2.12+1")
+    (source
+      (origin
+        (method git-fetch)
+        (uri (git-reference
+               (url "https://github.com/JuliaBinaryWrappers/Zlib_jll.jl")
+               (commit (string-append "Zlib-v" version))))
+        (file-name (git-file-name name version))
+        (sha256
+         (base32
+          "05ih0haqapkzr40swvq63cafnqlc4yp6yfa1wvdyq8v3n4kxhfqa"))))
+    (build-system julia-build-system)
+    (arguments
+     '(#:tests? #f  ; no runtests
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'override-binary-path
+           (lambda* (#:key inputs #:allow-other-keys)
+             (map
+               (lambda (wrapper)
+                 (substitute* wrapper
+                   (("generate_wrapper_header.*")
+                    (string-append
+                      "generate_wrapper_header(\"Zlib\", \""
+                      (assoc-ref inputs "zlib") "\")\n"))))
+               ;; There's a Julia file for each platform, override them all
+               (find-files "src/wrappers/" "\\.jl$")))))))
+    (inputs
+     `(("zlib" ,zlib)))
+    (propagated-inputs
+     `(("julia-jllwrappers" ,julia-jllwrappers)))
+    (home-page "https://github.com/JuliaBinaryWrappers/Zlib_jll.jl")
+    (synopsis "Zlib library wrappers")
+    (description "This package provides a wrapper for Zlib.")
+    (license license:expat)))
+
 (define-public julia-zygoterules
   (package
     (name "julia-zygoterules")