A formula for libqrencode, a qrcode encoder

For use with qrtools gem.

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

Formula/qrencode.rb

@@ -0,0 +1,15 @@
+require 'formula'
+
+class Qrencode <Formula
+  url 'http://megaui.net/fukuchi/works/qrencode/qrencode-3.1.1.tar.gz'
+  homepage 'http://megaui.net/fukuchi/works/qrencode/index.en.html'
+  md5 'd97f67cbefaf577e6c15923f3cc57b6a'
+
+  depends_on 'pkg-config'
+  depends_on 'libpng'
+
+  def install
+    system "./configure", "--disable-debug", "--disable-dependency-tracking", "--prefix=#{prefix}"
+    system "make install"
+  end
+end