From df7f28deafb91b1b88d444632dc63f8ee88a23fa Mon Sep 17 00:00:00 2001
From: Mike McQuaid
Date: Fri, 17 Oct 2014 19:36:25 +0100
Subject: xcode: check clang exists to confim install.

---
 Library/Homebrew/os/mac/xcode.rb | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'Library')

diff --git a/Library/Homebrew/os/mac/xcode.rb b/Library/Homebrew/os/mac/xcode.rb
index f24d36e6f..30c141cd6 100644
--- a/Library/Homebrew/os/mac/xcode.rb
+++ b/Library/Homebrew/os/mac/xcode.rb
@@ -187,6 +187,9 @@ module OS
 
       def detect_version
         [MAVERICKS_PKG_ID, MAVERICKS_NEW_PKG_ID, STANDALONE_PKG_ID, FROM_XCODE_PKG_ID].find do |id|
+          if MacOS.version >= :mavericks
+            next unless File.exist?("#{MAVERICKS_PKG_PATH}/usr/bin/clang")
+          end
           version = MacOS.pkgutil_info(id)[/version: (.+)$/, 1]
           return version if version
         end
-- 
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