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Apple had always maintained (and publicly released!) Darwin on x86 dating back to OPENSTEP and the Rhapsody DRs, but much of the “Mac OS X” frameworks and piece
by mrpippy 8y ago
Apple had always maintained (and publicly released!) Darwin on x86 dating back to OPENSTEP and the Rhapsody DRs, but much of the “Mac OS X” frameworks and pieces on top were definitely not running on x86 without more work. Think Carbon, QuickDraw, etc. Pieces critical to running the Finder and most 3rd party apps.
ISTR blog posts by an Apple engineer describing how little of the graphical system actually worked (basically just WindowServer and small Cocoa apps) without a lot more work to fix endian issues