From 1068982713a0f3b8ab98f251d1e1dd873f458ac2 Mon Sep 17 00:00:00 2001
From: Nick Cao <nickcao@nichi.co>
Date: Tue, 21 Mar 2023 10:53:42 +0800
Subject: [PATCH] libjxl: add patch to fix build with gcc for RISC-V

---
 pkgs/development/libraries/libjxl/default.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pkgs/development/libraries/libjxl/default.nix b/pkgs/development/libraries/libjxl/default.nix
index 7dc0ae5b8ce..b62c95fa5c8 100644
--- a/pkgs/development/libraries/libjxl/default.nix
+++ b/pkgs/development/libraries/libjxl/default.nix
@@ -1,4 +1,5 @@
 { stdenv, lib, fetchFromGitHub
+, fetchpatch
 , brotli
 , cmake
 , giflib
@@ -33,6 +34,15 @@ stdenv.mkDerivation rec {
     fetchSubmodules = true;
   };
 
+  patches = [
+    # Add missing <atomic> content to fix gcc compilation for RISCV architecture
+    # https://github.com/libjxl/libjxl/pull/2211
+    (fetchpatch {
+      url = "https://github.com/libjxl/libjxl/commit/22d12d74e7bc56b09cfb1973aa89ec8d714fa3fc.patch";
+      hash = "sha256-X4fbYTMS+kHfZRbeGzSdBW5jQKw8UN44FEyFRUtw0qo=";
+    })
+  ];
+
   nativeBuildInputs = [
     cmake
     gtest