segfault on macOS X

Hi,

I've downloaded
http://wwwfun.kurims.kyoto-u.ac.jp/soft/lsl/dist/lablgtk-2.14.1.tar.gz
then
$ ./configure
$ make

but when I do
$ cd examples
$ ocamlc -I ../src lalbgtk.cma hello.ml
$ ./a.out
I get:


(process:22787): GLib-GObject-WARNING **: invalid (NULL) pointer instance

(process:22787): GLib-GObject-CRITICAL **: g_signal_connect_data:
assertion `G_TYPE_CHECK_INSTANCE (instance)' failed

(process:22787): Gtk-WARNING **: Screen for GtkWindow not set; you
must always set
a screen for a GtkWindow before using the window

(process:22787): Gdk-CRITICAL **: gdk_pango_context_get_for_screen:
assertion `GDK_IS_SCREEN (screen)' failed

(process:22787): Pango-CRITICAL **:
pango_context_set_font_description: assertion `context != NULL' failed

(process:22787): Pango-CRITICAL **: pango_context_set_base_dir:
assertion `context != NULL' failed

(process:22787): Pango-CRITICAL **: pango_context_set_language:
assertion `context != NULL' failed

(process:22787): Pango-CRITICAL **: pango_layout_new: assertion
`context != NULL' failed

(process:22787): Pango-CRITICAL **: pango_layout_set_text: assertion
`layout != NULL' failed

(process:22787): Pango-CRITICAL **: pango_layout_set_alignment:
assertion `layout != NULL' failed

(process:22787): Pango-CRITICAL **: pango_layout_set_ellipsize:
assertion `PANGO_IS_LAYOUT (layout)' failed

(process:22787): Pango-CRITICAL **:
pango_layout_set_single_paragraph_mode: assertion `PANGO_IS_LAYOUT
(layout)' failed

(process:22787): Pango-CRITICAL **: pango_layout_set_width: assertion
`layout != NULL' failed

(process:22787): Pango-CRITICAL **: pango_layout_get_extents:
assertion `layout != NULL' failed

(process:22787): Gdk-CRITICAL **: gdk_screen_get_default_colormap:
assertion `GDK_IS_SCREEN (screen)' failed

(process:22787): Gdk-CRITICAL **: gdk_colormap_get_visual: assertion
`GDK_IS_COLORMAP (colormap)' failed

(process:22787): Gdk-CRITICAL **: gdk_screen_get_default_colormap:
assertion `GDK_IS_SCREEN (screen)' failed

(process:22787): Gdk-CRITICAL **: gdk_screen_get_root_window:
assertion `GDK_IS_SCREEN (screen)' failed

(process:22787): Gdk-CRITICAL **: gdk_screen_get_root_window:
assertion `GDK_IS_SCREEN (screen)' failed

(process:22787): Gdk-CRITICAL **: gdk_window_new: assertion
`GDK_IS_WINDOW (parent)' failed
segmentation fault


Under gdb I get:
Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000018
0x000000010057e943 in gdk_window_enable_synchronized_configure ()
(gdb) bt
#0  0x000000010057e943 in gdk_window_enable_synchronized_configure ()
#1  0x00000001002898fb in gtk_window_realize ()
#2  0x0000000100b470c2 in g_closure_invoke ()
#3  0x0000000100b5a95d in signal_emit_unlocked_R ()
#4  0x0000000100b5c6b4 in g_signal_emit_valist ()
#5  0x0000000100b5ca84 in g_signal_emit ()
#6  0x0000000100279127 in gtk_widget_realize ()
#7  0x000000010028a1c8 in gtk_window_show ()
#8  0x0000000100b470c2 in g_closure_invoke ()
#9  0x0000000100b5a95d in signal_emit_unlocked_R ()
#10 0x0000000100b5c6b4 in g_signal_emit_valist ()
#11 0x0000000100b5ca84 in g_signal_emit ()
#12 0x000000010027a106 in gtk_widget_show ()
#13 0x000000010000b1ea in ml_gtk_widget_show ()
#14 0x000000010001109b in caml_interprete ()
#15 0x000000010001306e in caml_main ()
#16 0x000000010002473c in main ()
(gdb)



I am under Snow Leopard with ocaml 3.11.2  from a godi install.