lxqt: standard patch applied to several lxqt packages

pkgs/desktops/lxqt/default.nix

@@ -7,5 +7,23 @@ let
 
     # For compiling information, see:
     # - https://github.com/lxde/lxqt/wiki/Building-from-source  
+      
+    standardPatch = ''
+      for file in $(find . -name CMakeLists.txt); do
+        substituteInPlace $file \
+          --replace "DESTINATION \''${LXQT_ETC_XDG_DIR}" "DESTINATION etc/xdg" \
+          --replace "DESTINATION \"\''${LXQT_ETC_XDG_DIR}" "DESTINATION \"etc/xdg" \
+          --replace "DESTINATION \"\''${LXQT_SHARE_DIR}" "DESTINATION \"share/lxqt" \
+          --replace "DESTINATION \"\''${LXQT_GRAPHICS_DIR}" "DESTINATION \"share/lxqt/graphhics" \
+          --replace "DESTINATION \"\''${QT_PLUGINS_DIR}" "DESTINATION \"lib/qt5/plugins" \
+          --replace "\''${LXQT_TRANSLATIONS_DIR}" share/lxqt/translations
+        echo ============================
+        echo $file
+        grep --color=always DESTINATION $file || true
+        grep --color=always share/lxqt/translations $file || true
+        grep --color=always platformthemes $file || true
+      done
+      echo --------------------------------------------------------
+    '';
 
 in self