gtk_a11y_src = [] gtk_a11y_backends = [] if os_unix gtk_a11y_backends += 'atspi' endif if gtk_a11y_backends.contains('atspi') subdir('atspi') gtk_a11y_src += files([ 'gtkatspicache.c', 'gtkatspicontext.c', 'gtkatspiroot.c', 'gtkatspiutils.c', ]) endif