/usr/share/lisaac/lib/extra/gui/ is in lisaac-common 1:0.39~rc1-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/lisaac/lib/extra/gui/clipping/
/usr/share/lisaac/lib/extra/gui/clipping/area.li
/usr/share/lisaac/lib/extra/gui/clipping/area_mask.li
/usr/share/lisaac/lib/extra/gui/clipping/clip.li
/usr/share/lisaac/lib/extra/gui/clipping/limit_x.li
/usr/share/lisaac/lib/extra/gui/clipping/limit_y.li
/usr/share/lisaac/lib/extra/gui/clipping/plan.li
/usr/share/lisaac/lib/extra/gui/desk.li
/usr/share/lisaac/lib/extra/gui/event/
/usr/share/lisaac/lib/extra/gui/event/event.li
/usr/share/lisaac/lib/extra/gui/event/event_gui.li
/usr/share/lisaac/lib/extra/gui/event/event_keyboard.li
/usr/share/lisaac/lib/extra/gui/event/event_mouse.li
/usr/share/lisaac/lib/extra/gui/event/event_timer.li
/usr/share/lisaac/lib/extra/gui/g_button.li
/usr/share/lisaac/lib/extra/gui/g_check.li
/usr/share/lisaac/lib/extra/gui/g_img.li
/usr/share/lisaac/lib/extra/gui/g_in.li
/usr/share/lisaac/lib/extra/gui/g_out.li
/usr/share/lisaac/lib/extra/gui/g_raw.li
/usr/share/lisaac/lib/extra/gui/g_win_in.li
/usr/share/lisaac/lib/extra/gui/g_win_out.li
/usr/share/lisaac/lib/extra/gui/g_win_out_trans_test.li
/usr/share/lisaac/lib/extra/gui/input/
/usr/share/lisaac/lib/extra/gui/input/input.li
/usr/share/lisaac/lib/extra/gui/input/input_keyboard.li
/usr/share/lisaac/lib/extra/gui/low_level/
/usr/share/lisaac/lib/extra/gui/low_level/g_binary_expr.li
/usr/share/lisaac/lib/extra/gui/low_level/g_div_expr.li
/usr/share/lisaac/lib/extra/gui/low_level/g_elevator.li
/usr/share/lisaac/lib/extra/gui/low_level/g_expr.li
/usr/share/lisaac/lib/extra/gui/low_level/g_group.li
/usr/share/lisaac/lib/extra/gui/low_level/g_or_expr.li
/usr/share/lisaac/lib/extra/gui/low_level/g_win_in_intern.li
/usr/share/lisaac/lib/extra/gui/low_level/inbox.li
/usr/share/lisaac/lib/extra/gui/low_level/virtual_screen.li
/usr/share/lisaac/lib/extra/gui/old/
/usr/share/lisaac/lib/extra/gui/old/group_in/
/usr/share/lisaac/lib/extra/gui/old/group_in/grp_tree.li
/usr/share/lisaac/lib/extra/gui/old/label/
/usr/share/lisaac/lib/extra/gui/old/label/lab_key.li
/usr/share/lisaac/lib/extra/gui_automatic/action.li
/usr/share/lisaac/lib/extra/gui_automatic/check.li
/usr/share/lisaac/lib/extra/gui_automatic/dimension.li
/usr/share/lisaac/lib/extra/gui_automatic/drop_down_menu.li
/usr/share/lisaac/lib/extra/gui_automatic/essai_drop_down.li
/usr/share/lisaac/lib/extra/gui_automatic/essai_light.li
/usr/share/lisaac/lib/extra/gui_automatic/g_page.li
/usr/share/lisaac/lib/extra/gui_automatic/guii.li
/usr/share/lisaac/lib/extra/gui_automatic/inode.li
/usr/share/lisaac/lib/extra/gui_automatic/internal_inode.li
/usr/share/lisaac/lib/extra/gui_automatic/menu_bar.li
/usr/share/lisaac/lib/extra/gui_automatic/menu_h.li
/usr/share/lisaac/lib/extra/gui_automatic/menu_h_out.li
/usr/share/lisaac/lib/extra/gui_automatic/menu_v.li
/usr/share/lisaac/lib/extra/gui_automatic/menu_v_out.li
/usr/share/lisaac/lib/extra/gui_automatic/page.li
/usr/share/lisaac/lib/extra/gui_automatic/raw_h.li
/usr/share/lisaac/lib/extra/gui_automatic/raw_v.li
/usr/share/lisaac/lib/extra/gui_automatic/test.li
/usr/share/lisaac/lib/extra/gui_automatic/test_gui2.li
/usr/share/lisaac/lib/extra/gui_automatic/tool_bar.li
/usr/share/lisaac/lib/extra/gui_automatic/win_in.li
/usr/share/lisaac/lib/extra/gui_automatic/window.li