From a0ae0346547266a6c55bc470fb51840da9008fbc Mon Sep 17 00:00:00 2001
From: Dominyk Tiller <dominyktiller@gmail.com>
Date: Tue, 6 Jun 2017 04:29:18 +0100
Subject: [PATCH] os/mac: add Xcode 9.0 Beta recognition

---
 Library/Homebrew/os/mac.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Library/Homebrew/os/mac.rb b/Library/Homebrew/os/mac.rb
index 4f663d7f8f..5074665fca 100644
--- a/Library/Homebrew/os/mac.rb
+++ b/Library/Homebrew/os/mac.rb
@@ -208,6 +208,7 @@ module OS
       "8.3.1" => { clang: "8.1", clang_build: 802 },
       "8.3.2" => { clang: "8.1", clang_build: 802 },
       "8.3.3" => { clang: "8.1", clang_build: 802 },
+      "9.0"   => { clang: "9.0", clang_build: 900 },
     }.freeze
 
     def compilers_standard?