New package - libpaper (#14302)

This PR adds the paper library to spack.

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

@@ -0,0 +1,22 @@
+# Copyright 2013-2019 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class Libpaper(AutotoolsPackage):
+    """The paper library and accompanying files are intended to provide a
+    simple way for applications to take actions based on a system- or
+    user-specified paper size."""
+
+    homepage = "https://packages.debian.org/unstable/source/libpaper"
+    url      = "http://deb.debian.org/debian/pool/main/libp/libpaper/libpaper_1.1.28.tar.gz"
+
+    version('1.1.28', sha256='c8bb946ec93d3c2c72bbb1d7257e90172a22a44a07a07fb6b802a5bb2c95fddc')
+
+    depends_on('autoconf', type='build')
+    depends_on('automake', type='build')
+    depends_on('libtool',  type='build')
+    depends_on('m4',       type='build')