brew/Library/Homebrew/extend/os/mac/hardware.rb

module Hardware
  def self.oldest_cpu
    if MacOS.version >= :mojave
      :nehalem
    elsif MacOS.version >= :sierra
      :penryn
    else
      generic_oldest_cpu
    end
  end
end
hardware: use Nehalem flags on >= Sierra. See https://en.wikipedia.org/wiki/MacOS_Sierra#System_requirements. 2018-12-20 20:10:54 +00:00			`module Hardware`
			`def self.oldest_cpu`
hardware: tweak macOS CFLAGS. - High Sierra and Sierra support Penryn CPUs. - `-march` implies the relevant `-msse*` flags. 2018-12-22 11:41:49 +00:00			`if MacOS.version >= :mojave`
hardware: use Nehalem flags on >= Sierra. See https://en.wikipedia.org/wiki/MacOS_Sierra#System_requirements. 2018-12-20 20:10:54 +00:00			`:nehalem`
hardware: tweak macOS CFLAGS. - High Sierra and Sierra support Penryn CPUs. - `-march` implies the relevant `-msse*` flags. 2018-12-22 11:41:49 +00:00			`elsif MacOS.version >= :sierra`
			`:penryn`
hardware: use Nehalem flags on >= Sierra. See https://en.wikipedia.org/wiki/MacOS_Sierra#System_requirements. 2018-12-20 20:10:54 +00:00			`else`
			`generic_oldest_cpu`
			`end`
			`end`
			`end`