sure that you have the icon set already installed on your system regardless,
use this option to disable installing the bundled icons.
+-DWITH_BREEZE=(ON|OFF)
+ Alternative icon set to Oxygen.
+ By default, WITH_BREEZE is OFF.
+
+-DWITH_BREEZE_DARK=(ON|OFF)
+ Alternative icon set to Oxygen.
+ By default, WITH_BREEZE_DARK is OFF.
+
-DWITH_WEBKIT=OFF
Use Webkit for showing previews of webpages linked in the chat. Requires
the QtWebkit module to be available, and increases the client's RAM usage