From 51a023952a8854f52868e11318427dfbd7759c17 Mon Sep 17 00:00:00 2001
From: Steven Keuchel <steven.keuchel@gmail.com>
Date: Sat, 9 Mar 2024 15:24:54 +0100
Subject: [PATCH] systemd: fix build on riscv64 and ppc64

---
 pkgs/os-specific/linux/systemd/default.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pkgs/os-specific/linux/systemd/default.nix b/pkgs/os-specific/linux/systemd/default.nix
index c304cb1dc2f8..fed0d1d801d4 100644
--- a/pkgs/os-specific/linux/systemd/default.nix
+++ b/pkgs/os-specific/linux/systemd/default.nix
@@ -5,6 +5,7 @@
 , nixosTests
 , pkgsCross
 , fetchFromGitHub
+, fetchpatch
 , fetchzip
 , buildPackages
 , makeBinaryWrapper
@@ -224,6 +225,15 @@ stdenv.mkDerivation (finalAttrs: {
     ./0017-meson.build-do-not-create-systemdstatedir.patch
   ] ++ lib.optional (stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isGnu) [
     ./0018-timesyncd-disable-NSCD-when-DNSSEC-validation-is-dis.patch
+  ] ++ lib.optional (stdenv.hostPlatform.isPower || stdenv.hostPlatform.isRiscV) [
+    # Fixed upstream and included in the main and stable branches. Can be dropped
+    # when bumping to >= v255.5.
+    # https://github.com/systemd/systemd/issues/30448
+    # https://github.com/NixOS/nixpkgs/pull/282607
+    (fetchpatch {
+      url = "https://github.com/systemd/systemd/commit/8040fa55a1cbc34dede3205a902095ecd26c21e3.patch";
+      sha256 = "0l8jk0w0wavagzck0vy5m0s6fhxab0hpdr4ib111bacqrvvda3kd";
+    })
   ] ++ lib.optional stdenv.hostPlatform.isMusl (
     let
       oe-core = fetchzip {