diff --git a/.waf-tools/doxygen.py b/.waf-tools/doxygen.py
new file mode 100644
index 0000000..6d8066b
--- /dev/null
+++ b/.waf-tools/doxygen.py
@@ -0,0 +1,214 @@
+#! /usr/bin/env python
+# encoding: UTF-8
+# Thomas Nagy 2008-2010 (ita)
+
+"""
+
+Doxygen support
+
+Variables passed to bld():
+* doxyfile -- the Doxyfile to use
+
+When using this tool, the wscript will look like:
+
+	def options(opt):
+		opt.load('doxygen')
+
+	def configure(conf):
+		conf.load('doxygen')
+		# check conf.env.DOXYGEN, if it is mandatory
+
+	def build(bld):
+		if bld.env.DOXYGEN:
+			bld(features="doxygen", doxyfile='Doxyfile', ...)
+
+        def doxygen(bld):
+		if bld.env.DOXYGEN:
+			bld(features="doxygen", doxyfile='Doxyfile', ...)
+"""
+
+from fnmatch import fnmatchcase
+import os, os.path, re, stat
+from waflib import Task, Utils, Node, Logs, Errors, Build
+from waflib.TaskGen import feature
+
+DOXY_STR = '"${DOXYGEN}" - '
+DOXY_FMTS = 'html latex man rft xml'.split()
+DOXY_FILE_PATTERNS = '*.' + ' *.'.join('''
+c cc cxx cpp c++ java ii ixx ipp i++ inl h hh hxx hpp h++ idl odl cs php php3
+inc m mm py f90c cc cxx cpp c++ java ii ixx ipp i++ inl h hh hxx
+'''.split())
+
+re_rl = re.compile('\\\\\r*\n', re.MULTILINE)
+re_nl = re.compile('\r*\n', re.M)
+def parse_doxy(txt):
+	tbl = {}
+	txt   = re_rl.sub('', txt)
+	lines = re_nl.split(txt)
+	for x in lines:
+		x = x.strip()
+		if not x or x.startswith('#') or x.find('=') < 0:
+			continue
+		if x.find('+=') >= 0:
+			tmp = x.split('+=')
+			key = tmp[0].strip()
+			if key in tbl:
+				tbl[key] += ' ' + '+='.join(tmp[1:]).strip()
+			else:
+				tbl[key] = '+='.join(tmp[1:]).strip()
+		else:
+			tmp = x.split('=')
+			tbl[tmp[0].strip()] = '='.join(tmp[1:]).strip()
+	return tbl
+
+class doxygen(Task.Task):
+	vars  = ['DOXYGEN', 'DOXYFLAGS']
+	color = 'BLUE'
+
+	def runnable_status(self):
+		'''
+		self.pars are populated in runnable_status - because this function is being
+		run *before* both self.pars "consumers" - scan() and run()
+
+		set output_dir (node) for the output
+		'''
+
+		for x in self.run_after:
+			if not x.hasrun:
+				return Task.ASK_LATER
+
+		if not getattr(self, 'pars', None):
+			txt = self.inputs[0].read()
+			self.pars = parse_doxy(txt)
+			if not self.pars.get('OUTPUT_DIRECTORY'):
+				self.pars['OUTPUT_DIRECTORY'] = self.inputs[0].parent.get_bld().abspath()
+
+			# Override with any parameters passed to the task generator
+			if getattr(self.generator, 'pars', None):
+				for k, v in self.generator.pars.items():
+					self.pars[k] = v
+
+			self.doxy_inputs = getattr(self, 'doxy_inputs', [])
+			if not self.pars.get('INPUT'):
+				self.doxy_inputs.append(self.inputs[0].parent)
+			else:
+				for i in self.pars.get('INPUT').split():
+					if os.path.isabs(i):
+						node = self.generator.bld.root.find_node(i)
+					else:
+						node = self.generator.path.find_node(i)
+					if not node:
+						self.generator.bld.fatal('Could not find the doxygen input %r' % i)
+					self.doxy_inputs.append(node)
+
+		if not getattr(self, 'output_dir', None):
+			bld = self.generator.bld
+			# First try to find an absolute path, then find or declare a relative path
+			self.output_dir = bld.root.find_dir(self.pars['OUTPUT_DIRECTORY'])
+			if not self.output_dir:
+				self.output_dir = bld.path.find_or_declare(self.pars['OUTPUT_DIRECTORY'])
+
+		self.signature()
+		return Task.Task.runnable_status(self)
+
+	def scan(self):
+		exclude_patterns = self.pars.get('EXCLUDE_PATTERNS','').split()
+		file_patterns = self.pars.get('FILE_PATTERNS','').split()
+		if not file_patterns:
+			file_patterns = DOXY_FILE_PATTERNS
+		if self.pars.get('RECURSIVE') == 'YES':
+			file_patterns = ["**/%s" % pattern for pattern in file_patterns]
+		nodes = []
+		names = []
+		for node in self.doxy_inputs:
+			if os.path.isdir(node.abspath()):
+				for m in node.ant_glob(incl=file_patterns, excl=exclude_patterns):
+					nodes.append(m)
+			else:
+				nodes.append(node)
+		return (nodes, names)
+
+	def run(self):
+		dct = self.pars.copy()
+		dct['INPUT'] = ' '.join(['"%s"' % x.abspath() for x in self.doxy_inputs])
+		code = '\n'.join(['%s = %s' % (x, dct[x]) for x in self.pars])
+		code = code.encode() # for python 3
+		#fmt = DOXY_STR % (self.inputs[0].parent.abspath())
+		cmd = Utils.subst_vars(DOXY_STR, self.env)
+		env = self.env.env or None
+		proc = Utils.subprocess.Popen(cmd, shell=True, stdin=Utils.subprocess.PIPE, env=env, cwd=self.generator.bld.path.get_bld().abspath())
+		proc.communicate(code)
+		return proc.returncode
+
+	def post_run(self):
+		nodes = self.output_dir.ant_glob('**/*', quiet=True)
+		for x in nodes:
+			x.sig = Utils.h_file(x.abspath())
+		self.outputs += nodes
+		return Task.Task.post_run(self)
+
+class tar(Task.Task):
+	"quick tar creation"
+	run_str = '${TAR} ${TAROPTS} ${TGT} ${SRC}'
+	color   = 'RED'
+	after   = ['doxygen']
+	def runnable_status(self):
+		for x in getattr(self, 'input_tasks', []):
+			if not x.hasrun:
+				return Task.ASK_LATER
+
+		if not getattr(self, 'tar_done_adding', None):
+			# execute this only once
+			self.tar_done_adding = True
+			for x in getattr(self, 'input_tasks', []):
+				self.set_inputs(x.outputs)
+			if not self.inputs:
+				return Task.SKIP_ME
+		return Task.Task.runnable_status(self)
+
+	def __str__(self):
+		tgt_str = ' '.join([a.nice_path(self.env) for a in self.outputs])
+		return '%s: %s\n' % (self.__class__.__name__, tgt_str)
+
+@feature('doxygen')
+def process_doxy(self):
+	if not getattr(self, 'doxyfile', None):
+		self.generator.bld.fatal('no doxyfile??')
+
+	node = self.doxyfile
+	if not isinstance(node, Node.Node):
+		node = self.path.find_resource(node)
+	if not node:
+		raise ValueError('doxygen file not found')
+
+	# the task instance
+	dsk = self.create_task('doxygen', node)
+
+	if getattr(self, 'doxy_tar', None):
+		tsk = self.create_task('tar')
+		tsk.input_tasks = [dsk]
+		tsk.set_outputs(self.path.find_or_declare(self.doxy_tar))
+		if self.doxy_tar.endswith('bz2'):
+			tsk.env['TAROPTS'] = ['cjf']
+		elif self.doxy_tar.endswith('gz'):
+			tsk.env['TAROPTS'] = ['czf']
+		else:
+			tsk.env['TAROPTS'] = ['cf']
+
+def configure(conf):
+	'''
+	Check if doxygen and tar commands are present in the system
+
+	If the commands are present, then conf.env.DOXYGEN and conf.env.TAR
+	variables will be set. Detection can be controlled by setting DOXYGEN and
+	TAR environmental variables.
+	'''
+
+	conf.find_program('doxygen', var='DOXYGEN', mandatory=False)
+	conf.find_program('tar', var='TAR', mandatory=False)
+
+# doxygen docs
+from waflib.Build import BuildContext
+class doxy(BuildContext):
+    cmd = "doxygen"
+    fun = "doxygen"