Only check Xcode prefix when non-nil

2014-04-21 18:52:12 -05:00 · 2014-04-21 18:52:12 -05:00 · 7573855756
commit 7573855756
parent 24e27465e0
1 changed files with 1 additions and 1 deletions
--- a/Library/Homebrew/os/mac.rb
+++ b/Library/Homebrew/os/mac.rb
@ -61,7 +61,7 @@ module OS
        Pathname.new "/usr/bin"
      elsif not (make_path = `/usr/bin/xcrun -find make 2>/dev/null`).empty?
        Pathname.new(make_path.chomp).dirname
-      elsif File.exist? "#{Xcode.prefix}/usr/bin/make"
+      elsif Xcode.prefix && File.exist?("#{Xcode.prefix}/usr/bin/make")
        Pathname.new "#{Xcode.prefix}/usr/bin"
      end
    end