After a sysupgrade to current/amd64,
all X programs seemm to complain like below.
Am I missing something obvious?

	Jan


$ mpv /media/Coen/millers-crossing.mp4
mpv:/usr/X11R6/lib/libpciaccess.so.2.1: undefined symbol '__stderr'
mpv:/usr/lib/libc++abi.so.8.0: undefined symbol '__stderr'
mpv:/usr/lib/libc++.so.11.0: undefined symbol '__stdin'
mpv:/usr/lib/libc++.so.11.0: undefined symbol '__stdout'
mpv:/usr/lib/libc++.so.11.0: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libdrm_amdgpu.so.1.14: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libdrm_intel.so.5.4: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libdrm_intel.so.5.4: undefined symbol '__stdout'
mpv:/usr/lib/libexpat.so.16.0: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libgallium_dri.so: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libgallium_dri.so: undefined symbol '__stdout'
mpv:/usr/X11R6/lib/libgallium_dri.so: undefined symbol '__stdin'
mpv:/usr/X11R6/lib/libglapi.so.2.0: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libgbm.so.0.6: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libgbm.so.0.6: undefined symbol '__stdout'
mpv:/usr/X11R6/lib/libXcursor.so.5.1: undefined symbol '__stdout'
mpv:/usr/X11R6/lib/libfontconfig.so.14.0: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libfontconfig.so.14.0: undefined symbol '__stdout'
mpv:/usr/X11R6/lib/libva.so.2.22: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libva-drm.so.2.22: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libEGL.so.2.0: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libEGL.so.2.0: undefined symbol '__stdout'
mpv:/usr/X11R6/lib/libXext.so.13.0: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libX11.so.19.0: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libdrm.so.7.13: undefined symbol '__stderr'
0m[lavf] Using subtitle charset: UTF-8-BROKEN
0m0m Video  --vid=1		  (h264 1280x688 23.976 fps) [default]
0m0m Audio  --aid=1  --alang=eng  (aac 2ch 48000 Hz 92 kbps) [default]
0m0m Subs   --sid=1		  'sub' (subrip) [external]
0mmpv:/usr/X11R6/lib/libvulkan_intel_hasvk.so: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libvulkan_intel_hasvk.so: undefined symbol '__stdout'
mpv:/usr/X11R6/lib/libvulkan_intel.so: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libvulkan_intel.so: undefined symbol '__stdout'
mpv:/usr/X11R6/lib/libvulkan_radeon.so: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libvulkan_radeon.so: undefined symbol '__stdout'
mpv:/usr/X11R6/lib/libvulkan_intel_hasvk.so: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libvulkan_intel_hasvk.so: undefined symbol '__stdout'
mpv:/usr/X11R6/lib/libvulkan_intel.so: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libvulkan_intel.so: undefined symbol '__stdout'
mpv:/usr/X11R6/lib/libvulkan_radeon.so: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libvulkan_radeon.so: undefined symbol '__stdout'
mpv:/usr/X11R6/lib/libvulkan_intel_hasvk.so: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libvulkan_intel_hasvk.so: undefined symbol '__stdout'
mpv:/usr/X11R6/lib/libvulkan_intel.so: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libvulkan_intel.so: undefined symbol '__stdout'
mpv:/usr/X11R6/lib/libvulkan_radeon.so: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libvulkan_radeon.so: undefined symbol '__stdout'
mpv:/usr/X11R6/lib/libvulkan_intel_hasvk.so: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libvulkan_intel_hasvk.so: undefined symbol '__stdout'
mpv:/usr/X11R6/lib/libvulkan_intel.so: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libvulkan_intel.so: undefined symbol '__stdout'
mpv:/usr/X11R6/lib/libvulkan_radeon.so: undefined symbol '__stderr'
mpv:/usr/X11R6/lib/libvulkan_radeon.so: undefined symbol '__stdout'
0mUsing hardware decoding (vaapi).
0m0mAO: [sndio] 48000Hz stereo 2ch s16
0m0mVO: [gpu] 1280x688 vaapi[nv12]
0mAV:l00:00:00:/001:54:51:(0%)1A-V:)-0.0000m?25h0m1K
0mExiting... (Quit)