ldns: add a --python option to build bindings

These are optional due to the Swig dependency only being needed for the bindings

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

1 files changed, 18 insertions, 4 deletions

diff --git a/Library/Formula/ldns.rb b/Library/Formula/ldns.rb
index f2b442b96..b262419c2 100644
--- a/Library/Formula/ldns.rb
+++ b/Library/Formula/ldns.rb
@@ -1,13 +1,27 @@
 require 'formula'
 
+def build_bindings?
+  ARGV.include? '--python'
+end
+
 class Ldns < Formula
-  url 'http://nlnetlabs.nl/downloads/ldns/ldns-1.6.12.tar.gz'
   homepage 'http://nlnetlabs.nl/projects/ldns/'
+  url 'http://nlnetlabs.nl/downloads/ldns/ldns-1.6.12.tar.gz'
   sha1 '1d61df0f666908551d5a62768f77d63e727810aa'
 
+  depends_on 'swig' if build_bindings?
+
+  def options
+    [["--python", "Build Python pydns bindings"]]
+  end
+
   def install
-      system "./configure", "--prefix=#{prefix}", "--disable-gost", "--with-drill", "--with-examples"
-      system "make"
-      system "make install"
+    args = ["--prefix=#{prefix}", "--disable-gost", "--with-drill", "--with-examples"]
+    args << "--with-pyldns" if build_bindings?
+    ENV.append "LDFLAGS", "-L#{HOMEBREW_PREFIX}/lib"
+    system "./configure", *args
+    system "make"
+    system "make install"
+    system "make install-pyldns" if build_bindings?
   end
 end