gnu: Add rust-emacs-macros-0.11.

* gnu/packages/crates-io.scm (rust-emacs-macros-0.11): New variable.

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

gnu/packages/crates-io.scm

@@ -14301,6 +14301,30 @@ signing, and verification in pure Rust.")
 @code{Right} is a general purpose sum type with two cases.")
     (license (list license:expat license:asl2.0))))
 
+(define-public rust-emacs-macros-0.11
+  (package
+    (name "rust-emacs-macros")
+    (version "0.11.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "emacs-macros" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0390y8vafxdi334hhgrzvcqjq3n5ckcmvilqcfp8vajjq8irrly6"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-darling" ,rust-darling-0.9)
+        ("rust-quote" ,rust-quote-0.6)
+        ("rust-syn" ,rust-syn-0.15))))
+    (home-page "https://github.com/ubolonton/emacs-module-rs")
+    (synopsis "Proc macros for Emacs modules")
+    (description "This package provides proc macros for Emacs modules.")
+    (license license:bsd-3)))
+
 (define-public rust-emacs-module-0.10
   (package
     (name "rust-emacs-module")