cppcodec, nitrokey-app: fix build failure with cmake 4 (#453359)

pkgs/by-name/cp/cppcodec/package.nix

@@ -3,6 +3,7 @@
   stdenv,
   fetchFromGitHub,
   cmake,
+  fetchpatch,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -16,6 +17,17 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-k4EACtDOSkTXezTeFtVdM1EVJjvGga/IQSrvDzhyaXw=";
   };
 
+  patches = [
+    # CMake 2.8 is deprecated and is no longer supported by CMake > 4
+    # https://github.com/NixOS/nixpkgs/issues/445447
+    # Luckily, this has been fixed on master.
+    (fetchpatch {
+      name = "modernize-cmake.patch";
+      url = "https://github.com/tplgy/cppcodec/commit/8019b8b580f8573c33c50372baec7039dfe5a8ce.patch";
+      hash = "sha256-0MCx3nTsey4Qonx+lyexbcxut0qIHOJZbkJ9u23Zuv8=";
+    })
+  ];
+
   nativeBuildInputs = [ cmake ];
 
   meta = with lib; {

pkgs/tools/security/nitrokey-app/default.nix

@@ -38,6 +38,17 @@ stdenv.mkDerivation rec {
     cppcodec
   ];
 
+  # CMake 3.1 is deprecated and is no longer supported by CMake > 4
+  # https://github.com/NixOS/nixpkgs/issues/445447
+  postPatch = ''
+    substituteInPlace CMakeLists.txt --replace-fail \
+      "CMAKE_MINIMUM_REQUIRED(VERSION 3.1.0 FATAL_ERROR)" \
+      "cmake_minimum_required(VERSION 3.10  FATAL_ERROR)" \
+    --replace-fail \
+      "cmake_policy(SET CMP0043 OLD)" \
+      "cmake_policy(SET CMP0043 NEW)"
+  '';
+
   meta = with lib; {
     description = "Provides extra functionality for the Nitrokey Pro and Storage";
     mainProgram = "nitrokey-app";