Add missing dependencies to VizGlow package (#2581)

* Add missing dependencies to VizGlow package

* Use a version-specific URL for xterm

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

@@ -0,0 +1,44 @@
+##############################################################################
+# 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 Libvorbis(AutotoolsPackage):
+    """Ogg Vorbis is a fully open, non-proprietary, patent-and-royalty-free,
+    general-purpose compressed audio format for mid to high quality (8kHz-
+    48.0kHz, 16+ bit, polyphonic) audio and music at fixed and variable
+    bitrates from 16 to 128 kbps/channel."""
+
+    homepage = "https://xiph.org/vorbis/"
+    url      = "http://downloads.xiph.org/releases/vorbis/libvorbis-1.3.5.tar.gz"
+
+    version('1.3.5', '7220e089f3be3412a2317d6fde9e3944')
+
+    depends_on('libogg')
+
+    depends_on('pkg-config@0.9.0:', type='build')
+
+    # `make check` crashes when run in parallel
+    parallel = False