add man-db package and friends (#4844)

* add man-db package and friends

* fix groff, libpipeline, and man-db dependencies

* remove parallel groff altogether, build-only deps

var/spack/repos/builtin/packages/man-db/package.py

@@ -0,0 +1,59 @@
+##############################################################################
+# 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 ManDb(AutotoolsPackage):
+    """man-db is an implementation of the standard Unix
+    documentation system accessed using the man command. It uses
+    a Berkeley DB database in place of the traditional
+    flat-text whatis databases."""
+
+    homepage = "http://www.nongnu.org/man-db/"
+    url      = "http://git.savannah.nongnu.org/cgit/man-db.git/snapshot/man-db-2.7.6.1.tar.gz"
+
+    version('2.7.6.1', '312761baade811db2b956af3432c285e')
+
+    depends_on('autoconf')
+    depends_on('automake')
+    depends_on('gettext')
+    depends_on('libpipeline')
+    depends_on('flex')
+    depends_on('groff', type=('build', 'link', 'run'))
+
+    # TODO: add gzip support via a new package.
+    # man pages are typically compressed, include all available
+    # compression libraries
+    depends_on('bzip2', type=('build', 'link', 'run'))
+    depends_on('lzma',  type=('build', 'link', 'run'))
+    depends_on('xz',    type=('build', 'link', 'run'))
+
+    def configure_args(self):
+        args = [
+            '--disable-setuid',
+            # defaults to a location that needs root privs to write in
+            '--with-systemdtmpfilesdir={0}/tmp'.format(self.prefix)
+        ]
+        return args