Fix --build-bottle CFLAGS.

The CFLAGS were previously not generic enough.

References #18944.
References #19179.

1 files changed, 12 insertions, 0 deletions

diff --git a/Library/Homebrew/macos.rb b/Library/Homebrew/macos.rb
index 802da0de6..bae263f37 100644
--- a/Library/Homebrew/macos.rb
+++ b/Library/Homebrew/macos.rb
@@ -34,6 +34,18 @@ module MacOS extend self
     cat.to_s.gsub('_', '').to_sym
   end
 
+  def oldest_cpu
+    if Hardware::CPU.type == :intel
+      if Hardware::CPU.is_64_bit?
+        :core2
+      else
+        :core
+      end
+    else
+      Hardware::CPU.family
+    end
+  end
+
   def locate tool
     # Don't call tools (cc, make, strip, etc.) directly!
     # Give the name of the binary you look for as a string to this method