lmms: fix cmake 4 compatibility

hatch01 · hatch01 · commit 3fa29e3faa6b · 2025-11-08T22:35:15.000+01:00
diff --git a/pkgs/applications/audio/lmms/default.nix b/pkgs/applications/audio/lmms/default.nix
@@ -70,7 +70,21 @@ mkDerivation rec {
     })
   ];
 
-  cmakeFlags = [ "-DWANT_QT5=ON" ];
+  prePatch = ''
+    # Update CMake minimum required version and policies
+    substituteInPlace CMakeLists.txt --replace 'CMAKE_MINIMUM_REQUIRED(VERSION 2.8.7)' 'CMAKE_MINIMUM_REQUIRED(VERSION 3.5)'
+    substituteInPlace CMakeLists.txt --replace 'CMAKE_POLICY(SET CMP0026 OLD)' 'CMAKE_POLICY(SET CMP0026 NEW)'
+    substituteInPlace CMakeLists.txt --replace 'CMAKE_POLICY(SET CMP0050 OLD)' 'CMAKE_POLICY(SET CMP0050 NEW)'
+    substituteInPlace CMakeLists.txt --replace 'GET_TARGET_PROPERTY(BIN2RES bin2res LOCATION)' 'SET(BIN2RES $<TARGET_FILE:bin2res>)'
+  '';
+
+  cmakeFlags = [
+    "-DWANT_QT5=ON"
+  ]
+  ++ lib.optionals (lib.versionOlder version "11.4") [
+    # Fix the build with CMake 4.
+    "-DCMAKE_POLICY_VERSION_MINIMUM=3.5"
+  ];
 
   meta = with lib; {
     description = "DAW similar to FL Studio (music production software)";
