1 files changed, 5 insertions, 5 deletions
diff --git a/Library/Formula/qhull.rb b/Library/Formula/qhull.rb
index ac63d7ec5..18e510037 100644
--- a/Library/Formula/qhull.rb
+++ b/Library/Formula/qhull.rb
@@ -1,17 +1,17 @@
 require 'formula'
 
-class Qhull <Formula
+class Qhull < Formula
   url 'http://www.qhull.org/download/qhull-2010.1-src.tgz'
   homepage 'http://www.qhull.org/'
   md5 'e64138470acdeb18f752a0bc2a11ceb4'
 
   def install
     cd "./src"
-    ENV['MANDIR']=man
-    ENV['BINDIR']=bin
+    ENV['MANDIR'] = man
+    ENV['BINDIR'] = bin
     system "make -e -f Makefile"
-    mkdir_p man
-    mkdir_p bin
+    man.mkpath
+    bin.mkpath
     system "make -e -f Makefile install"
     (include+'qhull').install Dir['*.h']
     lib.install 'libqhull.a'