IRRToolset 5.0.1

Closes Homebrew/homebrew#22173.

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

Formula/irrtoolset.rb

@@ -0,0 +1,30 @@
+require 'formula'
+
+class Irrtoolset < Formula
+  homepage 'http://irrtoolset.isc.org/'
+  url 'http://ftp.isc.org/isc/IRRToolSet/IRRToolSet-5.0.1/irrtoolset-5.0.1.tar.gz'
+  sha1 '19510275f5f64608e4a683c744c14f8e900ea19e'
+  head 'svn://irrtoolset.isc.org/trunk'
+
+  if build.head?
+    depends_on :autoconf
+    depends_on :automake
+    depends_on :libtool
+  end
+
+  depends_on 'pkg-config' => :build
+
+  def install
+    if build.head?
+      system "glibtoolize"
+      system "autoreconf -i"
+    end
+
+    system "./configure", "--prefix=#{prefix}"
+    system "make install"
+  end
+
+  def test
+    system "#{bin}/peval", "ANY"
+  end
+end