almost working, but there is an SIGABRT D_PRELOAD=./spacenav-lib-hack/build/Debug/src/libspnav-lib-hack.so freecad FreeCAD 0.16, Libs: 0.16R © Juergen Riegel, Werner Mayer, Yorik van Havre 2001-2015 ##### #### ### #### # # # # # # # ## #### #### # # # # # #### # # # # # # # ##### # # # # #### #### # # # # # # # # # # # # # # ## ## ## # # #### #### ### # # #### ## ## ## No module named WebGui spnav-lib-hack: instead of spnav_x11_open(0x557304430830, 0xb600088) calling spnav_open() = 0 [xcb] Unknown sequence number while processing queue [xcb] Most likely this is a multi-threaded client and XInitThreads has not been called [xcb] Aborting, sorry about that. freecad: ../../src/xcb_io.c:259: poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed. Neúspěšně ukončen (SIGABRT) (core dumped [obraz paměti uložen])

empty QT project linked to spnav library