--- cairo-1.4.8/src/cairo-directfb-surface.c~org 2007-09-22 19:34:35.000000000 -0400 +++ cairo-1.4.8/src/cairo-directfb-surface.c 2007-09-22 19:36:01.000000000 -0400 @@ -1572,7 +1572,7 @@ NULL, /* show_glyphs */ #endif NULL, /* snapshot */ - _cairo_directfb_is_similar, + _cairo_directfb_surface_is_similar, NULL /* reset */ };