Add new package: webbench (#18650)

* Add new package: webbench

* Update var/spack/repos/builtin/packages/webbench/package.py

Co-authored-by: Adam J. Stewart <ajstewart426@gmail.com>

Co-authored-by: Adam J. Stewart <ajstewart426@gmail.com>

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

@@ -0,0 +1,28 @@
+# Copyright 2013-2020 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 Webbench(MakefilePackage):
+    """Webbench is a simple website pressure test tool used in Linux."""
+
+    homepage = "http://home.tiscali.cz/~cz210552/webbench.html"
+    git      = "https://github.com/EZLippi/WebBench.git"
+
+    version('1.5', commit='b1acf3c01cc914729fe188dfc8ed761858028d4f')
+
+    depends_on('ntirpc')
+
+    def setup_build_environment(self, env):
+        env.prepend_path('CPATH', self.spec['ntirpc'].prefix.include.ntirpc)
+
+    def edit(self, spec, prefix):
+        makefile = FileFilter('Makefile')
+        makefile.filter('$(DESTDIR)/usr/local/man/man1', self.prefix.man.man1,
+                        string=True)
+
+    def install(self, spec, prefix):
+        make('install', 'PREFIX={0}'.format(prefix))