>From e1033cab6f57503fdc5d08637058ca74e039a429 Mon Sep 17 00:00:00 2001
From: pukkamustard <pukkamustard@posteo.net>
Date: Fri, 28 Aug 2020 12:03:42 +0200
Subject: [PATCH] gnu: Add hdt-cpp.

* gnu/packages/rdf.scm (hdt-cpp): New variable.
---
 gnu/packages/rdf.scm | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/gnu/packages/rdf.scm b/gnu/packages/rdf.scm
index e68e57818d..13c0cc6011 100644
--- a/gnu/packages/rdf.scm
+++ b/gnu/packages/rdf.scm
@@ -54,6 +54,35 @@
   #:use-module (gnu packages tls)
   #:use-module (gnu packages xml))
 
+(define-public hdt-cpp
+  (package
+    (name "hdt-cpp")
+    (version "1.3.3")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                     (url "https://github.com/rdfhdt/hdt-cpp")
+                     (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1vsq80jnix6cy78ayag7v8ajyw7h8dqyad1q6xkf2hzz3skvr34z"))))
+    (build-system gnu-build-system)
+    (inputs
+     `(("serd" ,serd)
+       ("zlib" ,zlib)))
+    (native-inputs
+     `(("autoconf" ,autoconf)
+       ("automake" ,automake)
+       ("libtool" ,libtool)
+       ("pkg-config" ,pkg-config)))
+    (home-page "https://github.com/rdfhdt/hdt-cpp")
+    (synopsis "C++ implementation of the HDT compression format")
+    (description "Header Dictionary Triples (HDT) is a compression format for
+RDF data that can also be queried for Triple Patterns.  This package provides a
+C++ library as well as various command-line tools to to work with HDT.")
+(license license:lgpl2.1+)))
+
 (define-public raptor2
   (package
     (name "raptor2")
-- 
2.28.0