1 files changed, 4 insertions, 10 deletions
diff --git a/Library/Formula/ldns.rb b/Library/Formula/ldns.rb
index 5b5d78bb7..f7f0c3525 100644
--- a/Library/Formula/ldns.rb
+++ b/Library/Formula/ldns.rb
@@ -1,19 +1,13 @@
 require 'formula'
 
-def build_bindings?
-  ARGV.include? '--python'
-end
-
 class Ldns < Formula
   homepage 'http://nlnetlabs.nl/projects/ldns/'
   url 'http://nlnetlabs.nl/downloads/ldns/ldns-1.6.13.tar.gz'
   sha1 '859f633d10b763f06b602e2113828cbbd964c7eb'
 
-  depends_on 'swig' if build_bindings?
+  option "python", "Build Python pydns bindings"
 
-  def options
-    [["--python", "Build Python pydns bindings"]]
-  end
+  depends_on 'swig' if build.include? 'python'
 
   def install
     # gost requires OpenSSL >= 1.0.0
@@ -22,11 +16,11 @@ class Ldns < Formula
       --disable-gost
       --with-drill
     ]
-    args << "--with-pyldns" if build_bindings?
+    args << "--with-pyldns" if build.include? 'python'
 
     system "./configure", *args
     system "make"
     system "make install"
-    system "make install-pyldns" if build_bindings?
+    system "make install-pyldns" if build.include? 'python'
   end
 end