[bug#68312] [PATCH 097/156] gnu: Add rust-proc-macro-crate-2.

[Wilko Meyer]

* gnu/packages/crates-io.scm (rust-proc-macro-crate-2): New variable.
(rust-proc-macro-crate-1): Inherit from rust-proc-macro-crate-2.

Change-Id: I873ac54abccd2c0dfa2f346349fd59bf32a2f78b
---
 gnu/packages/crates-io.scm | 33 +++++++++++++++++++++++++--------
 1 file changed, 25 insertions(+), 8 deletions(-)

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 307edaac393..f1edc3c9c14 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -53800,8 +53800,32 @@ (define-public rust-priority-queue-1
 priority of an object.")
     (license license:expat)))
 
+(define-public rust-proc-macro-crate-2
+  (package
+    (name "rust-proc-macro-crate")
+    (version "2.0.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "proc-macro-crate" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "06jbv5w6s04dbjbwq0iv7zil12ildf3w8dvvb4pqvhig4gm5zp4p"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs (("rust-toml-datetime" ,rust-toml-datetime-0.6)
+                       ("rust-toml-edit" ,rust-toml-edit-0.20))))
+    (home-page "https://github.com/bkchr/proc-macro-crate";)
+    (synopsis "Support for @code{$crate} in procedural macros")
+    (description
+     "This crate provides a way to get the name of a crate, even if it
+renamed in @file{Cargo.toml}.")
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-proc-macro-crate-1
   (package
+    (inherit rust-proc-macro-crate-2)
     (name "rust-proc-macro-crate")
     (version "1.3.0")
     (source
@@ -53811,7 +53835,6 @@ (define-public rust-proc-macro-crate-1
        (file-name (string-append name "-" version ".tar.gz"))
        (sha256
         (base32 "0d1zq41h7aymny4p87nmz20688zr9zrrn6nmczz7l77cwj4q6qb6"))))
-    (build-system cargo-build-system)
     (arguments
      `(#:cargo-inputs
        (("rust-once-cell" ,rust-once-cell-1)
@@ -53819,13 +53842,7 @@ (define-public rust-proc-macro-crate-1
        #:cargo-development-inputs
        (("rust-proc-macro2" ,rust-proc-macro2-1)
         ("rust-quote" ,rust-quote-1)
-        ("rust-syn" ,rust-syn-1))))
-    (home-page "https://github.com/bkchr/proc-macro-crate";)
-    (synopsis "Support for @code{$crate} in procedural macros")
-    (description
-     "This crate provides a way to get the name of a crate, even if it
-renamed in @file{Cargo.toml}.")
-    (license (list license:asl2.0 license:expat))))
+        ("rust-syn" ,rust-syn-1))))))
 
 (define-public rust-proc-macro-crate-0.1
   (package
-- 
2.41.0