Module: OS::Mac::Hardware::ClassMethods Private

Defined in:
extend/os/mac/hardware.rb

This module is part of a private API. This module may only be used in the Homebrew/brew repository. Third parties should avoid using this module if possible, as it may be removed or changed without warning.

Instance Method Summary collapse

Instance Method Details

#oldest_cpu(version = nil) ⇒ Symbol

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Parameters:

Returns:



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# File 'extend/os/mac/hardware.rb', line 9

def oldest_cpu(version = nil)
  version = if version
    MacOSVersion.new(version.to_s)
  else
    MacOS.version
  end
  if ::Hardware::CPU.arch == :arm64
    :arm_vortex_tempest
  # This cannot use a newer CPU e.g. haswell because Rosetta 2 does not
  # support AVX instructions in bottles:
  #   https://github.com/Homebrew/homebrew-core/issues/67713
  elsif version >= :ventura
    :westmere
  elsif version >= :mojave
    :nehalem
  else
    super
  end
end