 1a41f29343
			
		
	
	
		1a41f29343
		
			
		
	
	
	
	
		
			
			Expand on #10153 to provide an in-code comment (in case someone goes to change this in future).
		
			
				
	
	
		
			24 lines
		
	
	
		
			654 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			654 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # typed: strict
 | |
| # frozen_string_literal: true
 | |
| 
 | |
| module Hardware
 | |
|   extend T::Sig
 | |
|   sig { params(version: T.nilable(Version)).returns(Symbol) }
 | |
|   def self.oldest_cpu(version = MacOS.version)
 | |
|     if CPU.arch == :arm64
 | |
|       :arm_vortex_tempest
 | |
|     # TODO: this cannot be re-enabled until either Rosetta 2 supports AVX
 | |
|     # instructions in bottles or Homebrew refuses to run under Rosetta 2 (when
 | |
|     # ARM support is sufficiently complete):
 | |
|     #   https://github.com/Homebrew/homebrew-core/issues/67713
 | |
|     #
 | |
|     # elsif version >= :big_sur
 | |
|     #   :ivybridge
 | |
|     elsif version >= :mojave
 | |
|       :nehalem
 | |
|     else
 | |
|       generic_oldest_cpu
 | |
|     end
 | |
|   end
 | |
| end
 |