diff --git a/.waf-tools/cross.py b/.waf-tools/cross.py
new file mode 100644
index 0000000..17b8c8f
--- /dev/null
+++ b/.waf-tools/cross.py
@@ -0,0 +1,25 @@
+# -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
+
+from waflib import Utils
+
+def options(opt):
+    opt.add_option('--build', default=Utils.unversioned_sys_platform(),
+                   help='Build platform that is doing the actual compilation (e.g., darwin)')
+    opt.add_option('--host', default=Utils.unversioned_sys_platform(),
+                   help='Host platform on which the compiled binary will run (e.g., android)')
+    # opt.add_option('--target', default=Utils.unversioned_sys_platform(),
+    #                help='Target platform on which the compiled binary's output will run')
+
+def configure(conf):
+    conf.env.BUILD = conf.options.build
+    conf.env.HOST = conf.options.host
+    # conf.env.TARGET = conf.options.target
+
+    conf.start_msg('Build platform')
+    conf.end_msg(conf.env.BUILD)
+
+    conf.start_msg('Host platform')
+    conf.end_msg(conf.env.HOST)
+
+    # conf.start_msg('Target platform')
+    # conf.end_msg(conf.env.TARGET)