From 73e466002091168e532706d82128fd3e539ac519 Mon Sep 17 00:00:00 2001
From: Efraim Flashner <efraim@flashner.co.il>
Date: Wed, 16 Feb 2022 15:11:47 +0200
Subject: gnu: lz4: Only build with valgrind on supported systems.

* gnu/packages/compression.scm (lz4)[native-inputs]: Only add valgrind
when valgrind is supported on that system.
---
 gnu/packages/compression.scm | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/gnu/packages/compression.scm b/gnu/packages/compression.scm
index 2b5cbf8850..4e0d4e9196 100644
--- a/gnu/packages/compression.scm
+++ b/gnu/packages/compression.scm
@@ -7,7 +7,7 @@
 ;;; Copyright © 2015, 2016, 2017, 2018, 2020, 2021, 2022 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2015, 2017, 2018 Leo Famulari <leo@famulari.name>
 ;;; Copyright © 2015 Jeff Mickey <j@codemac.net>
-;;; Copyright © 2015, 2016, 2017, 2018, 2019, 2020, 2021 Efraim Flashner <efraim@flashner.co.il>
+;;; Copyright © 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2016 Ben Woodcroft <donttrustben@gmail.com>
 ;;; Copyright © 2016 Danny Milosavljevic <dannym@scratchpost.org>
 ;;; Copyright © 2016–2021 Tobias Geerinckx-Rice <me@tobias.gr>
@@ -813,8 +813,11 @@ decompression of some loosely related file formats used by Microsoft.")
     (build-system gnu-build-system)
     (outputs (list "out" "static"))
     (native-inputs
-     (list ;; For tests.
-           python valgrind))
+     (append
+       (list python)    ;; For tests.
+       (if (member (%current-system) (package-supported-systems valgrind))
+         (list valgrind)
+         '())))
     (arguments
      `(;; Not designed for parallel testing.
        ;; See https://github.com/lz4/lz4/issues/957#issuecomment-737419821
-- 
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