[371/917] Compiling C object 'gio/inotify/inotify@sta/inotify-helper.c.o'.
../gio/inotify/inotify-helper.c: In function 'ih_event_callback':
../gio/inotify/inotify-helper.c:243:10: warning: 'interesting' may be used uninitialized in this function [-Wmaybe-uninitialized]
   return interesting;
          ^~~~~~~~~~~
[576/917] Generating giotypefuncs.inc with a custom command.
FAILED: gio/tests/giotypefuncs.inc
/usr/bin/env python3 /home/sources/glib-2.54.3/gio/tests/gengiotypefuncs.py gio/tests/giotypefuncs.inc ../gio/gappinfo.h ../gio/gasyncinitable.h ../gio/gasyncresult.h ../gio/gbufferedinputstream.h ../gio/gbufferedoutputstream.h ../gio/gbytesicon.h ../gio/gcancellable.h ../gio/gcontenttype.h ../gio/gcharsetconverter.h ../gio/gconverter.h ../gio/gconverterinputstream.h ../gio/gconverteroutputstream.h ../gio/gdatagrambased.h ../gio/gdatainputstream.h ../gio/gdataoutputstream.h ../gio/gdrive.h ../gio/gemblem.h ../gio/gemblemedicon.h ../gio/gfile.h ../gio/gfileattribute.h ../gio/gfileenumerator.h ../gio/gfileicon.h ../gio/gfileinfo.h ../gio/gfileinputstream.h ../gio/gfilemonitor.h ../gio/gfilenamecompleter.h ../gio/gfileoutputstream.h ../gio/gfileiostream.h ../gio/gfilterinputstream.h ../gio/gfilteroutputstream.h ../gio/gicon.h ../gio/ginetaddress.h ../gio/ginetaddressmask.h ../gio/ginetsocketaddress.h ../gio/ginputstream.h ../gio/ginitable.h ../gio/gio.h ../gio/gio-autocleanups.h ../gio/giotypes.h ../gio/gioenums.h ../gio/gioerror.h ../gio/giomodule.h ../gio/gioscheduler.h ../gio/giostream.h ../gio/gloadableicon.h ../gio/gmount.h ../gio/gmemoryinputstream.h ../gio/gmemoryoutputstream.h ../gio/gmountoperation.h ../gio/gnativevolumemonitor.h ../gio/gnetworkaddress.h ../gio/gnetworkmonitor.h ../gio/gnetworkservice.h ../gio/goutputstream.h ../gio/gpermission.h ../gio/gpollableinputstream.h ../gio/gpollableoutputstream.h ../gio/gpollableutils.h ../gio/gproxyaddress.h ../gio/gproxy.h ../gio/gproxyaddressenumerator.h ../gio/gproxyresolver.h ../gio/gresolver.h ../gio/gresource.h ../gio/gseekable.h ../gio/gsimpleasyncresult.h ../gio/gsimpleiostream.h ../gio/gsimplepermission.h ../gio/gsocket.h ../gio/gsocketaddress.h ../gio/gsocketaddressenumerator.h ../gio/gsocketclient.h ../gio/gsocketconnectable.h ../gio/gsocketconnection.h ../gio/gsocketcontrolmessage.h ../gio/gsocketlistener.h ../gio/gsocketservice.h ../gio/gsrvtarget.h ../gio/gsimpleproxyresolver.h ../gio/gtask.h ../gio/gsubprocess.h ../gio/gsubprocesslauncher.h ../gio/gtcpconnection.h ../gio/gtcpwrapperconnection.h ../gio/gthreadedsocketservice.h ../gio/gthemedicon.h ../gio/gtlsbackend.h ../gio/gtlscertificate.h ../gio/gtlsclientconnection.h ../gio/gtlsconnection.h ../gio/gtlsdatabase.h ../gio/gtlsfiledatabase.h ../gio/gtlsinteraction.h ../gio/gtlspassword.h ../gio/gtlsserverconnection.h ../gio/gdtlsconnection.h ../gio/gdtlsclientconnection.h ../gio/gdtlsserverconnection.h ../gio/gvfs.h ../gio/gvolume.h ../gio/gvolumemonitor.h ../gio/gzlibcompressor.h ../gio/gzlibdecompressor.h ../gio/glistmodel.h ../gio/gliststore.h ../gio/gapplication.h ../gio/gapplicationcommandline.h ../gio/gactiongroup.h ../gio/gactionmap.h ../gio/gsimpleactiongroup.h ../gio/gremoteactiongroup.h ../gio/gactiongroupexporter.h ../gio/gdbusactiongroup.h ../gio/gaction.h ../gio/gpropertyaction.h ../gio/gsimpleaction.h ../gio/gmenumodel.h ../gio/gmenu.h ../gio/gmenuexporter.h ../gio/gdbusmenumodel.h ../gio/gnotification.h ../gio/gsettingsbackend.h ../gio/gsettingsschema.h ../gio/gsettings.h ../gio/gdbusauthobserver.h ../gio/gcredentials.h ../gio/gdbusutils.h ../gio/gdbuserror.h ../gio/gdbusaddress.h ../gio/gdbusconnection.h ../gio/gdbusmessage.h ../gio/gdbusnameowning.h ../gio/gdbusnamewatching.h ../gio/gdbusproxy.h ../gio/gdbusintrospection.h ../gio/gdbusmethodinvocation.h ../gio/gdbusserver.h ../gio/gdbusinterface.h ../gio/gdbusinterfaceskeleton.h ../gio/gdbusobject.h ../gio/gdbusobjectskeleton.h ../gio/gdbusobjectproxy.h ../gio/gdbusobjectmanager.h ../gio/gdbusobjectmanagerclient.h ../gio/gdbusobjectmanagerserver.h ../gio/gtestdbus.h gio/gioenumtypes.h ../gobject/gobject-autocleanups.h ../gobject/glib-types.h ../gobject/gbinding.h ../gobject/gboxed.h ../gobject/gclosure.h ../gobject/genums.h ../gobject/gmarshal.h ../gobject/gobject.h ../gobject/gparam.h ../gobject/gparamspecs.h ../gobject/gsignal.h ../gobject/gsourceclosure.h ../gobject/gtype.h ../gobject/gtypemodule.h ../gobject/gtypeplugin.h ../gobject/gvalue.h ../gobject/gvaluearray.h ../gobject/gvaluecollector.h ../gobject/gvaluetypes.h ../gobject/gobjectnotifyqueue.c
Traceback (most recent call last):
  File "/home/sources/glib-2.54.3/gio/tests/gengiotypefuncs.py", line 23, in <module>
    for line in f:
  File "/usr/lib/python3.6/encodings/ascii.py", line 26, in decode
    return codecs.ascii_decode(input, self.errors)[0]
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 2625: ordinal not in range(128)
[579/917] Compiling C object 'gio/tests/gdbus-serialization@exe/gdbus-serialization.c.o'.
ninja: build stopped: subcommand failed.