From 44aa4d1566f3a93e40bc9c1f73196217d5e543c3 Mon Sep 17 00:00:00 2001
From: Robert Scott <code@humanleg.org.uk>
Date: Sun, 29 May 2022 00:32:12 +0100
Subject: [PATCH] liblouis: fix darwin build with patch

(cherry picked from commit 327af2f90f9f89d6a4f031f124fdd732247956f9)
---
 pkgs/development/libraries/liblouis/default.nix | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/liblouis/default.nix b/pkgs/development/libraries/liblouis/default.nix
index a12bb1692396b..262bae7154b36 100644
--- a/pkgs/development/libraries/liblouis/default.nix
+++ b/pkgs/development/libraries/liblouis/default.nix
@@ -1,5 +1,7 @@
 { fetchFromGitHub
-, lib, stdenv
+, lib
+, stdenv
+, fetchpatch
 , autoreconfHook
 , pkg-config
 , gettext
@@ -21,6 +23,14 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-Hfn0dfXihtUfO3R+qJaetrPwupcIwblvi1DQdHCF1s8=";
   };
 
+  patches = [
+    (fetchpatch {
+      name = "parenthesize-memcpy-calls-clang.patch";
+      url = "https://github.com/liblouis/liblouis/commit/528f38938e9f539a251d9de92ad1c1b90401c4d0.patch";
+      sha256 = "0hlhqsvd5wflg70bd7bmssnchk8znzbr93in0zpspzbyap6xz112";
+    })
+  ];
+
   outputs = [ "out" "dev" "man" "info" "doc" ];
 
   nativeBuildInputs = [