New formula: harfbuzz 0.9.12

An OpenType text shaping engine, required by pango 1.32+

Signed-off-by: Jack Nagel <jacknagel@gmail.com>

Formula/harfbuzz.rb

@@ -0,0 +1,23 @@
+require 'formula'
+
+class Harfbuzz < Formula
+  homepage 'http://www.freedesktop.org/wiki/Software/HarfBuzz'
+  url 'http://www.freedesktop.org/software/harfbuzz/release/harfbuzz-0.9.12.tar.bz2'
+  sha256 'c653f70a275e98d109a9f1271373a6e80978c97298d723cb3f370351852f9da5'
+
+  depends_on 'pkg-config' => :build
+
+  # Requires newer autotools on all platforms
+  depends_on 'autoconf' => :build
+  depends_on 'automake' => :build
+  depends_on 'libtool' => :build
+  depends_on 'glib'
+  depends_on 'icu4c' => :recommended
+
+  def install
+    system "./autogen.sh"
+    system "./configure", "--disable-dependency-tracking", "--prefix=#{prefix}"
+    system "make install"
+  end
+
+end