From 45ffa54bc3528aa6c21d8dc0f46016b1483b229f Mon Sep 17 00:00:00 2001
From: Efraim Flashner <efraim@flashner.co.il>
Date: Wed, 15 Nov 2023 09:38:34 +0200
Subject: gnu: mimalloc: Fix building on powerpc-linux.

* gnu/packages/c.scm (mimalloc)[arguments]: When building for
powerpc-linux add a configure-flag to use libatomic.

Change-Id: I41062686186640bc4c685a0ee5de1e613040dfb9
---
 gnu/packages/c.scm | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/c.scm b/gnu/packages/c.scm
index ea58c68262..4b23015275 100644
--- a/gnu/packages/c.scm
+++ b/gnu/packages/c.scm
@@ -3,7 +3,7 @@
 ;;; Copyright © 2016, 2017, 2018, 2019, 2021 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2018, 2020–2022 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2018, 2019 Pierre Neidhardt <mail@ambrevar.xyz>
-;;; Copyright © 2019, 2020, 2022 Efraim Flashner <efraim@flashner.co.il>
+;;; Copyright © 2019, 2020, 2022, 2023 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2019, 2021 Guillaume Le Vaillant <glv@posteo.net>
 ;;; Copyright © 2019 Andreas Enge <andreas@enge.fr>
 ;;; Copyright © 2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
@@ -1210,7 +1210,10 @@ Telemetry Transport (MQTT) publish-subscribe messaging protocol.")
                 "19w0i28p6knjd192rrcw1ayc3x0qp6rcm48cwkls4kwn8fng81fj"))))
     (build-system cmake-build-system)
     (arguments
-     `(#:build-type "Release"))
+     `(#:build-type "Release"
+       ,@(if (target-ppc32?)
+           `(#:configure-flags '("-DMI_USE_LIBATOMIC=ON"))
+           '())))
     (synopsis "General purpose memory allocator")
     (description "@code{mimalloc} is a drop-in replacement for @code{malloc}.")
     (home-page "https://microsoft.github.io/mimalloc/")
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