gnu: Add rust-serde-macros-0.4.

* gnu/packages/crates-io.scm (rust-serde-macros-0.4): New variable.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

1 files changed, 36 insertions, 0 deletions

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 2041e0e3cb..a68ddcd2ff 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -14400,6 +14400,42 @@ for the serde framework.")
      "This package provides a JSON serialization file format.")
     (license (list license:expat license:asl2.0))))
 
+(define-public rust-serde-macros-0.4
+  (package
+    (name "rust-serde-macros")
+    (version "0.4.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "serde_macros" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1717rpncvvyvyrpb7hdjgxpiki9vdgygwv2r3d9aal5n8cm8xi8i"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'fix-cargo-toml
+           (lambda _
+             (substitute* "Cargo.toml"
+               ((", path =.*}") "}"))
+             #t)))
+       #:cargo-inputs
+       (("rust-serde-codegen" ,rust-serde-codegen-0.4))
+       #:cargo-development-inputs
+       (("rust-num" ,rust-num-0.2)
+        ("rust-rustc-serialize" ,rust-rustc-serialize-0.3)
+        ("rust-serde" ,rust-serde-0.4))))
+    (home-page "https://serde.rs")
+    (synopsis
+     "Macros to auto-generate implementations for the serde framework")
+    (description
+     "Macros to auto-generate implementations for the serde framework.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-serde-test-1.0
   (package
     (name "rust-serde-test")