[Webkit-unassigned] [Bug 179171] New: [WPE][JHbuild] Gstreamer plugins that link with pango outside of the JHBild

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Nov 2 07:18:09 PDT 2017


https://bugs.webkit.org/show_bug.cgi?id=179171

            Bug ID: 179171
           Summary: [WPE][JHbuild] Gstreamer plugins that link with pango
                    outside of the JHBild
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit WPE
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: clopez at igalia.com
                CC: bugs-noreply at webkitgtk.org, calvaris at igalia.com,
                    cgarcia at igalia.com, mcatanzaro at igalia.com

Starting the WPE minibrowser (dyz) from a clean build (of the JHBuild) I see this warnings


$ WAYLAND_DISPLAY=wayland-0 Tools/Scripts/run-minibrowser --wpe
Starting dyz 
xkbcommon: ERROR: couldn't find a Compose file for locale "C"
GLib-GIO-Message: Using the 'memory' GSettings backend.  Your settings will not be saved or shared with other applications.


(gst-plugin-scanner:9478): GStreamer-WARNING **: Failed to load plugin '/home/clopez/webkit/wpe/WebKitBuild/DependenciesWPE/Root/lib/gstreamer-1.0/libgstopencv.so': /usr/lib/x86_64-linux-gnu/libpangoft2-1.0.so.0: undefined symbol: hb_glib_get_unicode_funcs

(gst-plugin-scanner:9479): GStreamer-WARNING **: Failed to load plugin '/home/clopez/webkit/wpe/WebKitBuild/DependenciesWPE/Root/lib/gstreamer-1.0/libgstrsvg.so': /usr/lib/x86_64-linux-gnu/libpangoft2-1.0.so.0: undefined symbol: hb_glib_get_unicode_funcs




The warnings won't appear on the second run, as GStreamer will blacklist this modules on the local registry after detecting this and won't try again to load them.
That's because we are not building pPngo on the JHBuild and its picking the system-wide one, causing this problem.


A very similar issue was reported on bug 178918.

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