Merge pull request #1776 from lovedheart/patch-44

Add yelp_tools.rb

packages/yelp_tools.rb

+require 'package'
+
+class Yelp_tools < Package
+  description 'yelp-tools is a collection of scripts and build utilities to help create, manage, and publish documentation for Yelp and the web'
+  homepage 'https://github.com/GNOME/yelp-tools'
+  version '3.27.90'
+  source_url 'https://github.com/GNOME/yelp-tools/archive/3.27.90.tar.gz'
+  source_sha256 'da584450bc2373d1a27a922e851f88256c49c9a49a15ed2762e493f37b52a692'
+
+  depends_on 'automake' => :build
+  depends_on 'yelp_xsl'
+
+  def self.build
+    system "./autogen.sh"
+    system "./configure --prefix=#{CREW_PREFIX} --libdir=#{CREW_LIB_PREFIX}"
+    system "make"
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+end