gnu: Add libnop.

* gnu/packages/serialization.scm (libnop): New variable.

gnu/packages/serialization.scm

@@ -20,6 +20,7 @@
 ;;; Copyright © 2024 Paul A. Patience <paul@apatience.com>
 ;;; Copyright © 2024 Arun Isaac <arunisaac@systemreboot.net>
 ;;; Copyright © 2024 Wilko Meyer <w@wmeyer.eu>
+;;; Copyright © 2024 David Elsing <david.elsing@posteo.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -960,6 +961,44 @@ format for Python.")
 Apache Arrow-based Feather binary columnar serialization data frame format.")
     (license license:asl2.0)))
 
+(define-public libnop
+  (let ((commit "35e800d81f28c632956c5a592e3cbe8085ecd430")
+        (revision "0"))
+    (package
+      (name "libnop")
+      (version (git-version "0" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/google/libnop")
+                      (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "0qqbaljq54qiq0dky9nj47igfcs065ry526jg9a0aafbfl9krpy2"))))
+      (build-system gnu-build-system)
+      (arguments
+       (list
+        #:test-target "test"
+        #:phases
+        #~(modify-phases %standard-phases
+            (delete 'configure)
+            (replace 'check
+              (lambda* (#:key tests? #:allow-other-keys)
+                (when tests?
+                  (invoke "out/test"))))
+            (replace 'install
+              (lambda _
+                (copy-recursively
+                 "include" (string-append #$output "/include")))))))
+      (native-inputs (list googletest))
+      (home-page "https://github.com/google/libnop")
+      (synopsis "C++ Native Object Protocols")
+      (description "@code{libnop} is a header-only library for serializing and
+deserializing C++ data types without external code generators or runtime
+support libraries.")
+      (license license:asl2.0))))
+
 (define-public valijson
   (package
     (name "valijson")