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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2020 Valentin Ignatev <valentignatev@gmail.com>
+;;; Copyright © 2023, 2024 Efraim Flashner <efraim@flashner.co.il>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages crates-apple)
+  #:use-module (guix build-system cargo)
+  #:use-module (guix download)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages)
+  #:use-module (guix utils)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages crates-io))
+
+(define-public rust-block-0.1
+  (package
+    (name "rust-block")
+    (version "0.1.6")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "block" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "16k9jgll25pzsq14f244q22cdv0zb4bqacldg3kx6h89d7piz30d"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-development-inputs
+       (("rust-objc-test-utils" ,rust-objc-test-utils-0.0))))
+    (home-page "https://github.com/SSheldon/rust-block")
+    (synopsis "Rust interface for Apple's C language extension of blocks")
+    (description "This package provides a rust interface for Apple's C language
+extension of blocks.")
+    (license license:expat)))
+
+(define-public rust-block2-0.3
+  (package
+    (name "rust-block2")
+    (version "0.3.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "block2" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "0s2ywcis2xf9444vmdgzr7ankrrkpchn8zimaw950cszm1imdd8m"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t ; link kind `framework` is only supported on Apple targets
+       #:cargo-inputs (("rust-block-sys" ,rust-block-sys-0.2)
+                       ("rust-objc2" ,rust-objc2-0.4))))
+    (home-page "https://github.com/madsmtm/objc2")
+    (synopsis "Apple's C language extension of blocks")
+    (description "This package contains Apple's C language extension of blocks.")
+    (license license:expat)))
+
+(define-public rust-block2-0.2
+  (package
+    (inherit rust-block2-0.3)
+    (name "rust-block2")
+    (version "0.2.0-alpha.6")
+    (source (origin
+              (method url-fetch)
+              (uri (crate-uri "block2" version))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0hpcdl81rmwvhfni9413hrg1wd4xwf6vhch3yv15bxs42wyfdncd"))))
+    (arguments
+     `(#:tests? #f  ; Tests require gcc-objc.
+       #:cargo-inputs
+       (("rust-block-sys" ,rust-block-sys-0.1)
+        ("rust-objc2-encode" ,rust-objc2-encode-2))))))
+
+(define-public rust-block-sys-0.2
+  (package
+    (name "rust-block-sys")
+    (version "0.2.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "block-sys" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "14pddxc4rma833prvlbh5a22q6qwx32hhz7aqmnw1p9cj58czmrd"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t     ; Needs to bind to MacOS libraries.
+       #:cargo-inputs (("rust-objc-sys" ,rust-objc-sys-0.3))))
+    (home-page "https://github.com/madsmtm/objc2")
+    (synopsis "Raw bindings to Apple's C language extension of blocks")
+    (description "This package contains raw bindings to Apple's C language
+extension of blocks.")
+    (license license:expat)))
+
+(define-public rust-block-sys-0.1
+  (package
+    (inherit rust-block-sys-0.2)
+    (name "rust-block-sys")
+    (version "0.1.0-beta.1")
+    (source (origin
+              (method url-fetch)
+              (uri (crate-uri "block-sys" version))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0ihiar08hk0das4q0ii1gsmql975z3rslli1h13jb44hxr0mg98g"))))
+    (arguments
+     `(#:tests? #f  ; Tests require gcc-objc.
+       #:cargo-inputs
+       (("rust-objc-sys" ,rust-objc-sys-0.2))))))