Adding Bluez 5.28; 5.29 breaks LibreOffice build

pkgs/os-specific/linux/bluez/bluez5_28.nix

···
+{ stdenv, fetchurl, pkgconfig, dbus, glib, alsaLib, python,
+  pythonPackages, pythonDBus, readline, libsndfile, udev, libical,
+  systemd, enableWiimote ? false }:
+
+assert stdenv.isLinux;
+
+stdenv.mkDerivation rec {
+  name = "bluez-5.28";
+   
+  src = fetchurl {
+    url = "mirror://kernel/linux/bluetooth/${name}.tar.xz";
+    sha256 = "1a8qzh38wpq5c0rydpx9isf0jc6g14g2qs18j1rmi8a79f7v9fl5";
+  };
+
+  pythonPath = with pythonPackages;
+    [ pythonDBus pygobject pygobject3 recursivePthLoader ];
+
+  buildInputs =
+    [ pkgconfig dbus.libs glib alsaLib python pythonPackages.wrapPython
+      readline libsndfile udev libical
+      # Disables GStreamer; not clear what it gains us other than a
+      # zillion extra dependencies.
+      # gstreamer gst_plugins_base 
+    ];
+
+  preConfigure = ''
+      substituteInPlace tools/hid2hci.rules --replace /sbin/udevadm ${systemd}/bin/udevadm
+      substituteInPlace tools/hid2hci.rules --replace "hid2hci " "$out/lib/udev/hid2hci "
+    '';
+
+  configureFlags = [
+    "--localstatedir=/var"
+    "--enable-library"
+    "--enable-cups"
+    "--with-dbusconfdir=$(out)/etc"
+    "--with-dbussystembusdir=$(out)/share/dbus-1/system-services"
+    "--with-dbussessionbusdir=$(out)/share/dbus-1/services"
+    "--with-systemdsystemunitdir=$(out)/etc/systemd/system"
+    "--with-systemduserunitdir=$(out)/etc/systemd/user"
+    "--with-udevdir=$(out)/lib/udev"
+    ] ++
+    stdenv.lib.optional enableWiimote [ "--enable-wiimote" ];
+
+  # Work around `make install' trying to create /var/lib/bluetooth.
+  installFlags = "statedir=$(TMPDIR)/var/lib/bluetooth";
+
+  makeFlags = "rulesdir=$(out)/lib/udev/rules.d";
+
+  # FIXME: Move these into a separate package to prevent Bluez from
+  # depending on Python etc.
+  postInstall = ''
+    mkdir $out/test
+    cp -a test $out
+    pushd $out/test
+    for a in \
+            simple-agent \
+            test-adapter \
+            test-device \
+            test-thermometer \
+            list-devices \
+            monitor-bluetooth \
+            ; do
+      ln -s ../test/$a $out/bin/bluez-$a
+    done
+    popd
+    wrapPythonProgramsIn $out/test "$out/test $pythonPath"
+
+    # for bluez4 compatibility for NixOS
+    mkdir $out/sbin
+    ln -s ../libexec/bluetooth/bluetoothd $out/sbin/bluetoothd
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = http://www.bluez.org/;
+    repositories.git = https://git.kernel.org/pub/scm/bluetooth/bluez.git;
+    description = "Bluetooth support for Linux";
+    platforms = platforms.linux;
+  };
+}

pkgs/top-level/all-packages.nix

···
 
   bluez5 = lowPrio (callPackage ../os-specific/linux/bluez/bluez5.nix { });
 
+  # Needed for LibreOffice
+  bluez5_28 = lowPrio (callPackage ../os-specific/linux/bluez/bluez5_28.nix { });
+
   bluez = bluez4;
 
   inherit (pythonPackages) bedup;
···
     harfbuzz = harfbuzz.override {
       withIcu = true; withGraphite2 = true;
     };
+    bluez5 = bluez5_28;
   };
 
   liferea = callPackage ../applications/networking/newsreaders/liferea {