Hello guys, i found a workaround
My version / env :
OS: Ubuntu 18.04.1 LTS
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.17.13541 (Git)
Build type: None
Branch: releases/FreeCAD-0-17
Hash: 9948ee4f1570df9216862a79705afb367b2c6ffb
Python version: 2.7.15rc1
Qt version: 4.8.7
Coin version: 4.0.0a
OCC version: 7.3.0
Locale: English/UnitedStates (en_US)
Stable freecad version, stable OS, depandency problem...mhm... why not using temporary the AppImage version of Freecad ?
Yes you can, and it works
https://www.freecadweb.org/downloads.php
My conf (addon workbench) are available, so it let all time needed to fix the packaging problem, cause AppImage contains all its required dependancy
Enjoy
