Add "native" target to Makefile for the benefit of Linux distros

tools/test-wrapper-gypbuild.py

 #!/usr/bin/env python
 #
 # Copyright 2011 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 113 matching lines @@
   # --no-build (always true)
   # --build-only (always false)
   # --build-system (always 'gyp')
   # --simulator (always true if arch==arm, always false otherwise)
   # --shell (automatically chosen depending on arch and mode)
 
   return result
 
 
 def ProcessOptions(options):
-  if options.arch_and_mode != None and options.arch_and_mode != "":
-    tokens = options.arch_and_mode.split(".")
-    options.arch = tokens[0]
-    options.mode = tokens[1]
-  options.mode = options.mode.split(',')
+  if options.arch_and_mode == ".":
+    options.arch = []
+    options.mode = []
+  else:
+    if options.arch_and_mode != None and options.arch_and_mode != "":
+      tokens = options.arch_and_mode.split(".")
+      options.arch = tokens[0]
+      options.mode = tokens[1]
+    options.mode = options.mode.split(',')
+    options.arch = options.arch.split(',')
   for mode in options.mode:
     if not mode in ['debug', 'release']:
       print "Unknown mode %s" % mode
       return False
-  options.arch = options.arch.split(',')
   for arch in options.arch:
     if not arch in ['ia32', 'x64', 'arm']:
       print "Unknown architecture %s" % arch
       return False
 
   return True
 
 
 def PassOnOptions(options):
   result = []
@@ skipping 71 matching lines @@
       shell = shellpath + "/d8"
       child = subprocess.Popen(' '.join(args_for_children +
                                         ['--arch=' + arch] +
                                         ['--mode=' + mode] +
                                         ['--shell=' + shell]),
                                shell=True,
                                cwd=workspace,
                                env=env)
       returncodes += child.wait()
 
+  if len(options.mode) == 0 and len(options.arch) == 0:
+    print ">>> running tests"
+    shellpath = workspace + '/' + options.outdir
+    env['LD_LIBRARY_PATH'] = shellpath + '/lib.target'
+    shell = shellpath + '/d8'
+    child = subprocess.Popen(' '.join(args_for_children +
+                                      ['--shell=' + shell]),
+                             shell=True,
+                             cwd=workspace,
+                             env=env)
+    returncodes = child.wait()
+
   return returncodes
 
 
 if __name__ == '__main__':
   sys.exit(Main())