From a6c5e2fbfe72db923e362093ef4599f694b9e754 Mon Sep 17 00:00:00 2001
From: leiserfg <leiserfg@gmail.com>
Date: Sun, 12 Oct 2025 18:23:13 +0200
Subject: [PATCH] libresprite: fix build with cmake 4

---
 pkgs/by-name/li/libresprite/cmake4.diff | 23 +++++++++++++++++++++++
 pkgs/by-name/li/libresprite/package.nix |  6 ++++--
 2 files changed, 27 insertions(+), 2 deletions(-)
 create mode 100644 pkgs/by-name/li/libresprite/cmake4.diff

diff --git a/pkgs/by-name/li/libresprite/cmake4.diff b/pkgs/by-name/li/libresprite/cmake4.diff
new file mode 100644
index 000000000000..23b59ba020dd
--- /dev/null
+++ b/pkgs/by-name/li/libresprite/cmake4.diff
@@ -0,0 +1,23 @@
+diff --git i/emscripten/CMakeLists.txt w/emscripten/CMakeLists.txt
+index 7c6ea6a0e..b53a4b6cc 100644
+--- i/emscripten/CMakeLists.txt
++++ w/emscripten/CMakeLists.txt
+@@ -1,4 +1,4 @@
+-cmake_minimum_required(VERSION 3.4.1)
++cmake_minimum_required(VERSION 3.10)
+ project(LibreSprite C CXX)
+ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+ set(CMAKE_CXX_STANDARD 20)
+diff --git i/third_party/observable/CMakeLists.txt w/third_party/observable/CMakeLists.txt
+index 3ef458975..4d1f186dc 100644
+--- i/third_party/observable/CMakeLists.txt
++++ w/third_party/observable/CMakeLists.txt
+@@ -1,7 +1,7 @@
+ # Observable Library
+ # Copyright (C) 2016-2021 David Capello
+ 
+-cmake_minimum_required(VERSION 3.2)
++cmake_minimum_required(VERSION 3.10)
+ 
+ project(observable CXX)
+ option(OBSERVABLE_TESTS "Compile observable tests" ON)
diff --git a/pkgs/by-name/li/libresprite/package.nix b/pkgs/by-name/li/libresprite/package.nix
index c7038e432b5f..14df46eb85e8 100644
--- a/pkgs/by-name/li/libresprite/package.nix
+++ b/pkgs/by-name/li/libresprite/package.nix
@@ -7,7 +7,6 @@
   pkg-config,
   ninja,
   gtest,
-
   curl,
   freetype,
   giflib,
@@ -38,7 +37,10 @@ stdenv.mkDerivation (finalAttrs: {
     fetchSubmodules = true;
     hash = "sha256-jXjrA859hR46Cp5qi6Z1C+hLWCUR7yGlASOGlTveeW8=";
   };
-
+  patches = [
+    # From https://github.com/LibreSprite/LibreSprite/pull/565
+    ./cmake4.diff
+  ];
   nativeBuildInputs = [
     cmake
     pkg-config