new package: phred (#10700)

Part of the software collection introduced in #10529. Developers must
be contacted via email to receive the source code.

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

@@ -0,0 +1,21 @@
+# 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 *
+import os
+
+
+class Phred(MakefilePackage):
+    """The phred software reads DNA sequencing trace files, calls bases,
+       and assigns a quality value to each called base."""
+
+    homepage = "http://www.phrap.org/phredphrapconsed.html"
+    url      = "file://{0}/phred.tar.gz".format(os.getcwd())
+
+    version('071220', sha256='26212f13fa906c1ca0af61f48d52a5f2c1aacba802bf729ba65ca5222463abce')
+
+    def install(self, spec, prefix):
+        mkdirp(prefix.bin)
+        install('phred', prefix.bin)