Add package for ocaml compiler

Installs the ocaml compiler.

var/spack/repos/builtin/packages/ocaml/package.py

@@ -0,0 +1,43 @@
+##############################################################################
+# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/llnl/spack
+# Please also see the LICENSE file for our notice and the LGPL.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License (as
+# published by the Free Software Foundation) version 2.1, February 1999.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
+# conditions of the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##############################################################################
+from spack import *
+
+
+class Ocaml(Package):
+    """OCaml is an industrial strength programming language supporting
+       functional, imperative and object-oriented styles"""
+
+    homepage = "http://ocaml.org/"
+    url      = "http://caml.inria.fr/pub/distrib/ocaml-4.03/ocaml-4.03.0.tar.gz"
+
+    version('4.03.0', '43812739ea1b4641cf480f57f977c149')
+
+    depends_on('ncurses')
+
+    def install(self, spec, prefix):
+        configure('-prefix', '{0}'.format(prefix))
+
+        make('world.opt')
+        make('install')