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I’m curious if they’ll drop support for 32-bit processes in the kernel or just stop shipping fat libraries.

• DaiPlusPlus 9y ago
  I’m curious what it means for Fat Binaries in general. Methinks this will be the first time in a long while where Apple became a true CPU monoculture on the desktop, previously they straddled 68k, PowerPC, IA-32, and AMD64. It gives Apple an excuse to stop using Fat executables entirely - unless they decide to look at using ARM on laptops...
  • jgowdy 9y ago
    They aren’t dropping fat binaries. ARM desktops and laptops are on deck. They might make sense next year or in three years or never, but Apple is going to leave that door open. They’ve learned the lesson not to be locked to a single CPU architecture.
  • johncolanduoni 9y ago
    IIRC Apple’s bitcode is implemented via extra slices inside a standard fat Mach-O binary so I doubt it’ll disappear. The ability to handle fat headers is definitely not a significant maintenance burden for anyone, Apple or otherwise.