From a1f443dcf7ad1e222a9796441f6d96425dbfe787 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ontje=20L=C3=BCnsdorf?= <ontje.luensdorf@dlr.de>
Date: Thu, 10 Nov 2022 09:11:11 +0100
Subject: [PATCH] gnu: python-protobuf: Use C++ implementation.

* gnu/packages/protobuf.scm (python-protobuf): Use C++ implementation.
  [inputs]: Add protobuf.
  [arguments]: Add --cpp_implementation configure flags.
---
 gnu/packages/protobuf.scm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gnu/packages/protobuf.scm b/gnu/packages/protobuf.scm
index f7184bd49a..ab701b254d 100644
--- a/gnu/packages/protobuf.scm
+++ b/gnu/packages/protobuf.scm
@@ -406,6 +406,12 @@ (define-public python-protobuf
         (base32
          "1ja2vpk9nklllmsirmil2s4l7ni9yfqvbvj47zz5xx17s1k1bhxd"))))
     (build-system python-build-system)
+    (inputs (list protobuf))
+    (arguments
+     `(;; Favor C++ implementation from protobuf over the native Python
+       ;; implementation. The additional dependency yields significant
+       ;; performance improvements for some workloads.
+       #:configure-flags '("--cpp_implementation")))
     (home-page "https://github.com/google/protobuf")
     (synopsis "Protocol buffers is a data interchange format")
     (description
-- 
2.38.1