[Slackbuilds-users] Stellarium-0.15.x, qt-5.7.x and libinput

King Beowulf kingbeowulf at gmail.com
Tue Jan 31 21:09:26 UTC 2017


This error keeps popping up here when running Stellarium.
   $ stellarium
   This application failed to start because it could not find or load
   the Qt platform plugin "xcb" in "".

   Available platform plugins are: eglfs, linuxfb, minimal, minimalegl,
   offscreen, xcb.

   Reinstalling the application may fix this problem.
After upgrading to qt-5.7.1, then rebuilding stellarium and then
upgrading stellarium to 0.15.1, the run time error persists.  I tracked
it down to:
   $ ldd /usr/lib64/qt5/plugins/platforms/libqxcb.so | grep not
	libinput.so.10 => not found
	libinput.so.10 => not found

Installing libinput fixes the stellarium error which then runs normally.
 I recommend the following:
1. bump stellarium to 0.15.1
2. mention that libinput is required as a run time dependency.
3. on qt5 page, move libinput to "required" or "optional" as a run time
dependency for Qt5 plugin xcb (libqxcb.so)
4. on qt5 page fix libinput (not available at slackbuilds.org) since it
is available.


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