1 files changed, 18 insertions, 2 deletions
diff --git a/pkgs/applications/audio/mixxx/default.nix b/pkgs/applications/audio/mixxx/default.nix
index 6f0d34b870a..518c54dc48a 100644
--- a/pkgs/applications/audio/mixxx/default.nix
+++ b/pkgs/applications/audio/mixxx/default.nix
@@ -1,4 +1,5 @@
 { lib
+, stdenv
 , mkDerivation
 , fetchurl
 , fetchFromGitHub
@@ -110,12 +111,27 @@ mkDerivation rec {
     wavpack
   ];
 
-  enableParallelBuilding = true;
-
   qtWrapperArgs = [
     "--set LOCALE_ARCHIVE ${glibcLocales}/lib/locale/locale-archive"
   ];
 
+  # mixxx installs udev rules to DATADIR instead of SYSCONFDIR
+  # let's disable this and install udev rules manually via postInstall
+  # see https://github.com/mixxxdj/mixxx/blob/2.3.0/CMakeLists.txt#L1381-L1392
+  cmakeFlags = [
+    "-DINSTALL_USER_UDEV_RULES=OFF"
+  ];
+
+  postInstall = lib.optionalString stdenv.isLinux ''
+    rules="$src/res/linux/mixxx-usb-uaccess.rules"
+    if [ ! -f "$rules" ]; then
+        echo "$rules is missing, must update the Nix file."
+        exit 1
+    fi
+    mkdir -p "$out/lib/udev/rules.d"
+    cp "$rules" "$out/lib/udev/rules.d/69-mixxx-usb-uaccess.rules"
+  '';
+
   meta = with lib; {
     homepage = "https://mixxx.org";
     description = "Digital DJ mixing software";