root@head64_allbsd-mc_exp:/wrkdirs/usr/ports/graphics/evince/work/evince-3.11.90/libview/tmp-introspectMwCnBV # fg
libtool --mode=execute /usr/local/bin/gdb EvinceView-3.0
bt
bt
#0  gdk_screen_get_setting (screen=0x0, name=0x802752d58 "gtk-application-prefer-dark-theme", value=0x7fffffffd1f0) at gdkscreen.c:1049
#1  0x00000008025bf853 in gtk_settings_get_property (object=<optimized out>, property_id=<optimized out>, value=0x7fffffffd1f0, pspec=0x80a40a220) at gtksettings.c:1855
#2  0x000000080106dfd8 in g_object_get_valist () from /usr/local/lib/libgobject-2.0.so.0
#3  0x000000080106e3e1 in g_object_get () from /usr/local/lib/libgobject-2.0.so.0
#4  0x00000008025bf23d in settings_update_theme (settings=0x80a40e210) at gtksettings.c:3011
#5  0x00000008025bd9fb in settings_init_style (settings=<optimized out>) at gtksettings.c:1731
#6  gtk_settings_get_for_screen (screen=<optimized out>) at gtksettings.c:1780
#7  0x00000008025cd502 in gtk_style_context_add_provider_for_screen (screen=0x0, provider=0x80a40b2b0, priority=600) at gtkstylecontext.c:1196
#8  0x00000008008735c3 in ev_view_presentation_class_init (klass=0x80a484d00) at ev-view-presentation.c:1548
#9  0x00000008008712a8 in ev_view_presentation_class_intern_init (klass=0x80a484d00) at ev-view-presentation.c:115
#10 0x0000000801080765 in g_type_class_ref () from /usr/local/lib/libgobject-2.0.so.0
#11 0x000000000040396e in dump_properties (type=34532073984, out=0x80a42b070) at /wrkdirs/usr/ports/graphics/evince/work/evince-3.11.90/libview/tmp-introspectMwCnBV/EvinceView-3.0.c:137
#12 0x000000000040333c in dump_object_type (type=34532073984, symbol=0x80a4a81f9 "ev_view_presentation_get_type", out=0x80a42b070)
    at /wrkdirs/usr/ports/graphics/evince/work/evince-3.11.90/libview/tmp-introspectMwCnBV/EvinceView-3.0.c:257
#13 0x0000000000402c90 in dump_type (type=34532073984, symbol=0x80a4a81f9 "ev_view_presentation_get_type", out=0x80a42b070)
    at /wrkdirs/usr/ports/graphics/evince/work/evince-3.11.90/libview/tmp-introspectMwCnBV/EvinceView-3.0.c:396
#14 0x0000000000402824 in dump_irepository (arg=0x7fffffffdc3b "functions.txt,dump.xml", error=0x7fffffffd8c8)
    at /wrkdirs/usr/ports/graphics/evince/work/evince-3.11.90/libview/tmp-introspectMwCnBV/EvinceView-3.0.c:532
#15 0x0000000000402453 in main (argc=2, argv=0x7fffffffd948) at /wrkdirs/usr/ports/graphics/evince/work/evince-3.11.90/libview/tmp-introspectMwCnBV/EvinceView-3.0.c:595
(gdb) print screen
$2 = (GdkScreen *) 0x0