2 files changed, 3 insertions, 1 deletions
diff --git a/Library/Homebrew/os/mac.rb b/Library/Homebrew/os/mac.rb
index 4e69a6035..814ef70a2 100644
--- a/Library/Homebrew/os/mac.rb
+++ b/Library/Homebrew/os/mac.rb
@@ -52,7 +52,7 @@ module OS
       end
     end
 
-    def can_build?
+    def has_apple_developer_tools?
       Xcode.installed? || CLT.installed?
     end
 
diff --git a/Library/Homebrew/os/mac/xcode.rb b/Library/Homebrew/os/mac/xcode.rb
index 83ba84ff8..40446a8ad 100644
--- a/Library/Homebrew/os/mac/xcode.rb
+++ b/Library/Homebrew/os/mac/xcode.rb
@@ -76,6 +76,8 @@ module OS
 
         return "0" unless OS.mac?
 
+        return nil if !MacOS::Xcode.installed? && !MacOS::CLT.installed?
+
         %W[#{prefix}/usr/bin/xcodebuild #{which("xcodebuild")}].uniq.each do |path|
           if File.file? path
             Utils.popen_read(path, "-version") =~ /Xcode (\d(\.\d)*)/