protobuf-c formula

This package provides a code generator and runtime libraries to use
Protocol Buffers from pure C (not C++).

Signed-off-by: David Höppner <0xffea@gmail.com>

Formula/protobuf-c.rb

@@ -0,0 +1,14 @@
+require 'formula'
+
+class ProtobufC <Formula
+  url 'http://protobuf-c.googlecode.com/files/protobuf-c-0.12.tar.gz'
+  homepage 'http://code.google.com/p/protobuf-c/'
+  md5 'fefe81642f1e5565eb8a661e597b5bf7'
+
+  depends_on 'protobuf'
+
+  def install
+    system "./configure", "--prefix=#{prefix}", "--disable-debug", "--disable-dependency-tracking"
+    system "make install"
+  end
+end