x86_64 is used as a baseline: the "x86_64" entry, whatever status it has, is transformed into "all", and then the other entries in ARCHITECTURES either dropped or rearranged appropriately.
simutrans: fix compiling under Haiku, update to 120.3 (sdl) / 120.4.1 (sdl2) pak64: update to 120.3 / 120.4.1 pak128: update to 2.8.1 makeobj: update to 60.1 (sdl) / 60.2 (sdl2)