It is still possible that the problem is not on widelands side.
If you are willing to invest your time, you can compile the game by yourselves and see if sounds works there... and as a bonus you will have newest version...
It is still possible that the problem is not on widelands side.
If you are willing to invest your time, you can compile the game by yourselves and see if sounds works there... and as a bonus you will have newest version...