diff --git a/bin/node-waf b/bin/node-waf
index 92f7bd8c0e..7bbd5c524e 100755
--- a/bin/node-waf
+++ b/bin/node-waf
@@ -12,6 +12,6 @@ t = join(w, 'Tools')
 sys.path = [w, t] + sys.path
 
 import Scripting
-VERSION="1.5.14"
+VERSION="1.5.15"
 Scripting.prepare(t, os.getcwd(), VERSION, wafdir)
 sys.exit(0)
diff --git a/tools/waf-light b/tools/waf-light
index 1fb8ce4ab7..2068d4411c 100755
--- a/tools/waf-light
+++ b/tools/waf-light
@@ -37,7 +37,7 @@ if 'PSYCOWAF' in os.environ:
 	try:import psyco;psyco.full()
 	except:pass
 
-VERSION="1.5.14"
+VERSION="1.5.15"
 REVISION="x"
 INSTALL="x"
 C1='x'
diff --git a/tools/wafadmin/Build.py b/tools/wafadmin/Build.py
index f28b80dbb6..83c044ba05 100644
--- a/tools/wafadmin/Build.py
+++ b/tools/wafadmin/Build.py
@@ -681,8 +681,13 @@ class BuildContext(Utils.Context):
 			for i in xrange(len(self.task_manager.groups)):
 				g = self.task_manager.groups[i]
 				self.task_manager.current_group = i
+				if Logs.verbose:
+					Logs.debug('group: group %s' % ([x for x in self.task_manager.groups_names if id(self.task_manager.groups_names[x]) == id(g)][0]))
+
 				for tg in g.tasks_gen:
 					if id(tg) in to_compile:
+						if Logs.verbose:
+							Logs.debug('group: %s' % tg)
 						tg.post()
 
 		else:
@@ -702,9 +707,13 @@ class BuildContext(Utils.Context):
 			for i in xrange(len(self.task_manager.groups)):
 				g = self.task_manager.groups[i]
 				self.task_manager.current_group = i
+				if Logs.verbose:
+					Logs.debug('group: group %s' % ([x for x in self.task_manager.groups_names if id(self.task_manager.groups_names[x]) == id(g)][0]))
 				for tg in g.tasks_gen:
 					if not tg.path.is_child_of(ln):
 						continue
+					if Logs.verbose:
+						Logs.debug('group: %s' % tg)
 					tg.post()
 
 	def env_of_name(self, name):
diff --git a/tools/wafadmin/Configure.py b/tools/wafadmin/Configure.py
index 163b46dc77..7501cb1031 100644
--- a/tools/wafadmin/Configure.py
+++ b/tools/wafadmin/Configure.py
@@ -125,7 +125,7 @@ class ConfigurationContext(Utils.Context):
 		except (OSError, IOError):
 			self.fatal('could not open %r for writing' % path)
 
-		app = getattr(Utils.g_module, 'APPNAME', '')
+		app = Utils.g_module.APPNAME
 		if app:
 			ver = getattr(Utils.g_module, 'VERSION', '')
 			if ver:
diff --git a/tools/wafadmin/Constants.py b/tools/wafadmin/Constants.py
index fa1a7293ad..f1fceac634 100644
--- a/tools/wafadmin/Constants.py
+++ b/tools/wafadmin/Constants.py
@@ -9,9 +9,9 @@ maintainer: the version number is updated from the top-level wscript file
 """
 
 # do not touch these three lines, they are updated automatically
-HEXVERSION = 0x105014
-WAFVERSION="1.5.14"
-WAFREVISION = "7363M"
+HEXVERSION = 0x105015
+WAFVERSION="1.5.15"
+WAFREVISION = "7505M"
 ABI = 7
 
 # permissions
diff --git a/tools/wafadmin/Node.py b/tools/wafadmin/Node.py
index 26a2113e02..47d3479864 100644
--- a/tools/wafadmin/Node.py
+++ b/tools/wafadmin/Node.py
@@ -204,7 +204,7 @@ class Node(object):
 		if node:
 			tp = node.id & 3
 			if tp != BUILD:
-				raise Utils.WafError("find_or_declare returns a build node, not a source nor a directory %r" % lst)
+				raise Utils.WafError('find_or_declare cannot return a build node (build files in the source directory %r?)' % lst)
 			return node
 		node = self.__class__(name, parent, BUILD)
 		return node
@@ -461,8 +461,9 @@ class Node(object):
 		"path seen from the build dir default/src/foo.cpp"
 		if self.id & 3 == FILE:
 			return self.relpath_gen(self.__class__.bld.bldnode)
-		if self.path_to_parent(self.__class__.bld.srcnode) is not '':
-			return os.path.join(env.variant(), self.path_to_parent(self.__class__.bld.srcnode))
+		p = self.path_to_parent(self.__class__.bld.srcnode)
+		if p is not '':
+			return env.variant() + os.sep + p
 		return env.variant()
 
 	def srcpath(self, env=None):
diff --git a/tools/wafadmin/Runner.py b/tools/wafadmin/Runner.py
index 384b1c68c7..5237c1abdf 100644
--- a/tools/wafadmin/Runner.py
+++ b/tools/wafadmin/Runner.py
@@ -190,11 +190,15 @@ class Parallel(object):
 			try:
 				st = tsk.runnable_status()
 			except Exception, e:
-				tsk.err_msg = Utils.ex_stack()
-				tsk.hasrun = EXCEPTION
 				self.processed += 1
+				if self.stop and not Options.options.keep:
+					tsk.hasrun = SKIPPED
+					self.manager.add_finished(tsk)
+					continue
 				self.error_handler(tsk)
 				self.manager.add_finished(tsk)
+				tsk.hasrun = EXCEPTION
+				tsk.err_msg = Utils.ex_stack()
 				continue
 
 			if st == ASK_LATER:
diff --git a/tools/wafadmin/Scripting.py b/tools/wafadmin/Scripting.py
index 203e143c2b..e3d82c8eb9 100644
--- a/tools/wafadmin/Scripting.py
+++ b/tools/wafadmin/Scripting.py
@@ -412,7 +412,7 @@ def build_impl(bld):
 
 	bld.install()
 
-excludes = '.bzr .bzrignore .git .gitignore .svn CVS .cvsignore .arch-ids {arch} SCCS BitKeeper .hg _MTN _darcs Makefile Makefile.in config.log'.split()
+excludes = '.bzr .bzrignore .git .gitignore .svn CVS .cvsignore .arch-ids {arch} SCCS BitKeeper .hg _MTN _darcs Makefile Makefile.in config.log .gitattributes .hgignore .hgtags'.split()
 dist_exts = '~ .rej .orig .pyc .pyo .bak .tar.bz2 tar.gz .zip .swp'.split()
 def dont_dist(name, src, build_dir):
 	global excludes, dist_exts
@@ -486,8 +486,8 @@ def dist(appname='', version=''):
 	# return return (distdirname, tarballname)
 	import tarfile
 
-	if not appname: appname = getattr(Utils.g_module, APPNAME, 'noname')
-	if not version: version = getattr(Utils.g_module, VERSION, '1.0')
+	if not appname: appname = Utils.g_module.APPNAME
+	if not version: version = Utils.g_module.VERSION
 
 	tmp_folder = appname + '-' + version
 	if g_gz in ['gz', 'bz2']:
@@ -545,8 +545,8 @@ def distcheck(appname='', version=''):
 	'''checks if the sources compile (tarball from 'dist')'''
 	import tempfile, tarfile
 
-	if not appname: appname = getattr(Utils.g_module, APPNAME, 'noname')
-	if not version: version = getattr(Utils.g_module, VERSION, '1.0')
+	if not appname: appname = Utils.g_module.APPNAME
+	if not version: version = Utils.g_module.VERSION
 
 	waf = os.path.abspath(sys.argv[0])
 	tarball = dist(appname, version)
diff --git a/tools/wafadmin/Task.py b/tools/wafadmin/Task.py
index f9f16a95fa..e6a37e91ec 100644
--- a/tools/wafadmin/Task.py
+++ b/tools/wafadmin/Task.py
@@ -578,22 +578,25 @@ class Task(TaskBase):
 		try: return self.cache_sig[0]
 		except AttributeError: pass
 
-		m = md5()
+		self.m = md5()
 
 		# explicit deps
 		exp_sig = self.sig_explicit_deps()
-		m.update(exp_sig)
-
-		# implicit deps
-		imp_sig = self.scan and self.sig_implicit_deps() or SIG_NIL
-		m.update(imp_sig)
 
 		# env vars
 		var_sig = self.sig_vars()
-		m.update(var_sig)
+
+		# implicit deps
+
+		imp_sig = SIG_NIL
+		if self.scan:
+			try:
+				imp_sig = self.sig_implicit_deps()
+			except ValueError:
+				return self.signature()
 
 		# we now have the signature (first element) and the details (for debugging)
-		ret = m.digest()
+		ret = self.m.digest()
 		self.cache_sig = (ret, exp_sig, imp_sig, var_sig)
 		return ret
 
@@ -771,7 +774,7 @@ class Task(TaskBase):
 
 	def sig_explicit_deps(self):
 		bld = self.generator.bld
-		m = md5()
+		up = self.m.update
 
 		# the inputs
 		for x in self.inputs + getattr(self, 'dep_nodes', []):
@@ -780,7 +783,7 @@ class Task(TaskBase):
 
 			variant = x.variant(self.env)
 			try:
-				m.update(bld.node_sigs[variant][x.id])
+				up(bld.node_sigs[variant][x.id])
 			except KeyError:
 				raise Utils.WafError('Missing node signature for %r (required by %r)' % (x, self))
 
@@ -803,29 +806,28 @@ class Task(TaskBase):
 							raise Utils.WafError('Missing node signature for %r (required by %r)' % (v, self))
 					elif hasattr(v, '__call__'):
 						v = v() # dependency is a function, call it
-					m.update(v)
+					up(v)
 
 		for x in self.deps_nodes:
 			v = bld.node_sigs[x.variant(self.env)][x.id]
-			m.update(v)
+			up(v)
 
-		return m.digest()
+		return self.m.digest()
 
 	def sig_vars(self):
-		m = md5()
 		bld = self.generator.bld
 		env = self.env
 
 		# dependencies on the environment vars
 		act_sig = bld.hash_env_vars(env, self.__class__.vars)
-		m.update(act_sig)
+		self.m.update(act_sig)
 
 		# additional variable dependencies, if provided
 		dep_vars = getattr(self, 'dep_vars', None)
 		if dep_vars:
-			m.update(bld.hash_env_vars(env, dep_vars))
+			self.m.update(bld.hash_env_vars(env, dep_vars))
 
-		return m.digest()
+		return self.m.digest()
 
 	#def scan(self, node):
 	#	"""this method returns a tuple containing:
@@ -852,6 +854,8 @@ class Task(TaskBase):
 					return prev_sigs[2]
 			except (KeyError, OSError):
 				pass
+			del bld.task_sigs[key]
+			raise ValueError('rescan')
 
 		# no previous run or the signature of the dependencies has changed, rescan the dependencies
 		(nodes, names) = self.scan()
@@ -878,8 +882,7 @@ class Task(TaskBase):
 		"""it is intended for .cpp and inferred .h files
 		there is a single list (no tree traversal)
 		this is the hot spot so ... do not touch"""
-		m = md5()
-		upd = m.update
+		upd = self.m.update
 
 		bld = self.generator.bld
 		tstamp = bld.node_sigs
@@ -897,7 +900,7 @@ class Task(TaskBase):
 			else:
 				upd(tstamp[env.variant()][k.id])
 
-		return m.digest()
+		return self.m.digest()
 
 def funex(c):
 	dc = {}
@@ -1132,7 +1135,7 @@ def extract_deps(tasks):
 		except: # this is on purpose
 			pass
 
-		variant = x.env.variant()
+		v = x.env.variant()
 		key = x.unique_id()
 		for k in x.generator.bld.node_deps.get(x.unique_id(), []):
 			try: dep_to_task[(v, k.id)].append(x)
diff --git a/tools/wafadmin/TaskGen.py b/tools/wafadmin/TaskGen.py
index 2bd1ba689d..fa16b87694 100644
--- a/tools/wafadmin/TaskGen.py
+++ b/tools/wafadmin/TaskGen.py
@@ -527,6 +527,9 @@ def exec_rule(self):
 				raise Utils.WafError('input file %r could not be found (%r)' % (x, self.path.abspath()))
 			tsk.inputs.append(y)
 
+	if self.allnodes:
+		tsk.inputs.extend(self.allnodes)
+
 	if getattr(self, 'scan', None):
 		cls.scan = self.scan
 
diff --git a/tools/wafadmin/Tools/config_c.py b/tools/wafadmin/Tools/config_c.py
index 6008265dda..1a57566f85 100644
--- a/tools/wafadmin/Tools/config_c.py
+++ b/tools/wafadmin/Tools/config_c.py
@@ -186,7 +186,8 @@ def exec_cfg(self, kw):
 		vars = Utils.to_list(kw['variables'])
 		for v in vars:
 			val = self.cmd_and_log('%s --variable=%s %s' % (kw['path'], v, kw['package']), kw).strip()
-			env.append_unique('%s_%s' % (uselib, v), val)
+			var = '%s_%s' % (uselib, v)
+			env[var] = val
 		if not 'okmsg' in kw:
 			kw['okmsg'] = 'ok'
 		return
@@ -541,10 +542,8 @@ def run_c_code(self, *k, **kw):
 
 	# if we need to run the program, try to get its result
 	if kw['execute']:
-		ak = {} # syntax for python < 2.5, don't touch
-		ak['stdout'] = ak['stderr'] = Utils.pproc.PIPE
 		args = Utils.to_list(kw.get('exec_args', []))
-		proc = Utils.pproc.Popen([lastprog], *args, **ak)
+		proc = Utils.pproc.Popen([lastprog] + args, stdout=Utils.pproc.PIPE, stderr=Utils.pproc.PIPE)
 		(out, err) = proc.communicate()
 		w = self.log.write
 		w(str(out))
diff --git a/tools/wafadmin/Tools/d.py b/tools/wafadmin/Tools/d.py
index 4f4bddb749..602f5af1b4 100644
--- a/tools/wafadmin/Tools/d.py
+++ b/tools/wafadmin/Tools/d.py
@@ -289,8 +289,8 @@ def apply_d_libs(self):
 		# object has ancestors to process (shared libraries): add them to the end of the list
 		if getattr(y, 'uselib_local', None):
 			lst = y.to_list(y.uselib_local)
-			if 'dshlib' in y.features or 'cprogram' in y.features:
-				lst = [x for x in lst if not 'cstaticlib' in self.name_to_obj(x).features]
+			if 'dshlib' in y.features or 'dprogram' in y.features:
+				lst = [x for x in lst if not 'dstaticlib' in self.name_to_obj(x).features]
 			tmp.extend(lst)
 
 		# link task and flags
@@ -386,6 +386,12 @@ def apply_d_vars(self):
 	# now process the library paths
 	# apply same path manipulation as used with import paths
 	for path in libpaths:
+		if not os.path.isabs(path):
+			node = self.path.find_resource(path)
+			if not node:
+				raise Utils.WafError('could not find libpath %r from %r' % (path, self))
+			path = node.abspath(self.env)
+
 		env.append_unique('DLINKFLAGS', libpath_st % path)
 
 	# add libraries
diff --git a/tools/wafadmin/Tools/gas.py b/tools/wafadmin/Tools/gas.py
index fb25596698..c983b0a395 100644
--- a/tools/wafadmin/Tools/gas.py
+++ b/tools/wafadmin/Tools/gas.py
@@ -34,4 +34,5 @@ def asm_incflags(self):
 def detect(conf):
 	conf.find_program(['gas', 'as'], var='AS')
 	if not conf.env.AS: conf.env.AS = conf.env.CC
+	#conf.env.ASFLAGS = ['-c'] <- may be necesary for .S files
 
diff --git a/tools/wafadmin/Tools/gnu_dirs.py b/tools/wafadmin/Tools/gnu_dirs.py
index 3fc452d02d..856e4a7204 100644
--- a/tools/wafadmin/Tools/gnu_dirs.py
+++ b/tools/wafadmin/Tools/gnu_dirs.py
@@ -65,7 +65,7 @@ def detect(conf):
 
 	env = conf.env
 	env['EXEC_PREFIX'] = get_param('EXEC_PREFIX', env['PREFIX'])
-	env['PACKAGE'] = getattr(Utils.g_module, 'APPNAME', None) or env['PACKAGE']
+	env['PACKAGE'] = Utils.g_module.APPNAME
 
 	complete = False
 	iter = 0
diff --git a/tools/wafadmin/Tools/msvc.py b/tools/wafadmin/Tools/msvc.py
index 64fb05bcee..94e5da5efd 100644
--- a/tools/wafadmin/Tools/msvc.py
+++ b/tools/wafadmin/Tools/msvc.py
@@ -724,7 +724,17 @@ def exec_mf(self):
 	self.do_manifest = False
 
 	outfile = self.outputs[0].bldpath(env)
-	manifest = self.outputs[-1].bldpath(env)
+	
+	manifest = None
+	for out_node in self.outputs:
+		if out_node.name.endswith('.manifest'):
+			manifest = out_node.bldpath(env)
+			break
+	if manifest is None:
+		# Should never get here.  If we do, it means the manifest file was 
+		# never added to the outputs list, thus we don't have a manifest file 
+		# to embed, so we just return.
+		return 0
 
 	# embedding mode. Different for EXE's and DLL's.
 	# see: http://msdn2.microsoft.com/en-us/library/ms235591(VS.80).aspx
@@ -738,7 +748,7 @@ def exec_mf(self):
 	#flags = ' '.join(env['MTFLAGS'] or [])
 
 	lst = []
-	lst.extend(Utils.to_list(env['MT']))
+	lst.extend([env['MT']])
 	lst.extend(Utils.to_list(env['MTFLAGS']))
 	lst.extend(Utils.to_list("-manifest"))
 	lst.extend(Utils.to_list(manifest))
diff --git a/tools/wafadmin/Tools/preproc.py b/tools/wafadmin/Tools/preproc.py
index 924bea2227..1a9b0ff155 100644
--- a/tools/wafadmin/Tools/preproc.py
+++ b/tools/wafadmin/Tools/preproc.py
@@ -35,6 +35,10 @@ class PreprocError(Utils.WafError):
 
 POPFILE = '-'
 
+
+recursion_limit = 100
+"do not loop too much on header inclusion"
+
 go_absolute = 0
 "set to 1 to track headers on files in /usr/include - else absolute paths are ignored"
 
@@ -636,7 +640,7 @@ class c_parser(object):
 		filepath = node.abspath(self.env)
 
 		self.count_files += 1
-		if self.count_files > 30000: raise PreprocError("recursion limit exceeded")
+		if self.count_files > recursion_limit: raise PreprocError("recursion limit exceeded")
 		pc = self.parse_cache
 		debug('preproc: reading file %r', filepath)
 		try:
diff --git a/tools/wafadmin/Tools/python.py b/tools/wafadmin/Tools/python.py
index d87d1e8ac3..cfa81b0b8d 100644
--- a/tools/wafadmin/Tools/python.py
+++ b/tools/wafadmin/Tools/python.py
@@ -55,7 +55,7 @@ def init_pyembed(self):
 
 @extension(EXT_PY)
 def process_py(self, node):
-	if not (self.bld.is_install or self.install_path):
+	if not (self.bld.is_install and self.install_path):
 		return
 	def inst_py(ctx):
 		install_pyfile(self, node)
@@ -122,7 +122,7 @@ def _get_python_variables(python_exe, variables, imports=['import sys']):
 	except KeyError:
 		pass
 	proc = Utils.pproc.Popen([python_exe, "-c", '\n'.join(program)], stdout=Utils.pproc.PIPE, env=os_env)
-	output = proc.communicate()[0].split("\n")
+	output = proc.communicate()[0].split("\n") # do not touch, python3
 	if proc.returncode:
 		if Options.options.verbose:
 			warn("Python program to extract python configuration variables failed:\n%s"
diff --git a/tools/wafadmin/Tools/qt4.py b/tools/wafadmin/Tools/qt4.py
index 0a60b86123..f63365a28e 100644
--- a/tools/wafadmin/Tools/qt4.py
+++ b/tools/wafadmin/Tools/qt4.py
@@ -96,31 +96,25 @@ class qxx_task(Task.Task):
 			if d in mocfiles:
 				error("paranoia owns")
 				continue
+
 			# process that base.moc only once
 			mocfiles.append(d)
 
-			# find the extension - this search is done only once
-			ext = ''
-			try: ext = Options.options.qt_header_ext
-			except AttributeError: pass
-
-			if not ext:
-				base2 = d[:-4]
-				paths = [node.parent.srcpath(self.env), node.parent.bldpath(self.env)]
-				poss = [(x, y) for x in MOC_H for y in paths]
-				for (i, path) in poss:
-					try:
-						# TODO we could use find_resource
-						os.stat(os.path.join(path, base2+i))
-					except OSError:
-						pass
-					else:
-						ext = i
+			# find the extension (performed only when the .cpp has changes)
+			base2 = d[:-4]
+			for path in [node.parent] + self.generator.env['INC_PATHS']:
+				tree.rescan(path)
+				vals = getattr(Options.options, 'qt_header_ext', '') or MOC_H
+				for ex in vals:
+					h_node = path.find_resource(base2 + ex)
+					if h_node:
 						break
-				if not ext: raise Utils.WafError("no header found for %s which is a moc file" % str(d))
+				else:
+					continue
+				break
+			else:
+				raise Utils.WafError("no header found for %s which is a moc file" % str(d))
 
-			# next time we will not search for the extension (look at the 'for' loop below)
-			h_node = node.parent.find_resource(base2+i)
 			m_node = h_node.change_ext('.moc')
 			tree.node_deps[(self.inputs[0].parent.id, self.env.variant(), m_node.name)] = h_node
 
@@ -246,7 +240,8 @@ def apply_qt4(self):
 			if update:
 				trans.append(t.inputs[0])
 
-		if update and Options.options.trans_qt4:
+		trans_qt4 = getattr(Options.options, 'trans_qt4', False)
+		if update and trans_qt4:
 			# we need the cpp files given, except the rcc task we create after
 			# FIXME may be broken
 			u = Task.TaskCmd(translation_update, self.env, 2)
@@ -426,6 +421,11 @@ def detect_qt4(conf):
 						env.append_unique(kind + 'LIB_' + uselib, lib + d + ext)
 						conf.check_message_2('ok ' + path, 'GREEN')
 						break
+					path = os.path.join(qtbin, pat % (lib + d + ext))
+					if os.path.exists(path):
+						env.append_unique(kind + 'LIB_' + uselib, lib + d + ext)
+						conf.check_message_2('ok ' + path, 'GREEN')
+						break
 				else:
 					conf.check_message_2('not found', 'YELLOW')
 					continue
@@ -461,7 +461,8 @@ def detect_qt4(conf):
 	process_lib(vars_debug, 'LIBPATH_QTCORE_DEBUG')
 
 	# rpath if wanted
-	if Options.options.want_rpath:
+	want_rpath = getattr(Options.options, 'want_rpath', 1)
+	if want_rpath:
 		def process_rpath(vars_, coreval):
 			for d in vars_:
 				var = d.upper()
diff --git a/tools/wafadmin/Tools/suncc.py b/tools/wafadmin/Tools/suncc.py
index 0aa430556c..138722978a 100644
--- a/tools/wafadmin/Tools/suncc.py
+++ b/tools/wafadmin/Tools/suncc.py
@@ -17,9 +17,10 @@ def find_scc(conf):
 	#if not cc: cc = conf.find_program('gcc', var='CC')
 	if not cc: cc = conf.find_program('cc', var='CC')
 	if not cc: conf.fatal('suncc was not found')
+	cc = conf.cmd_to_list(cc)
 
 	try:
-		if not Utils.cmd_output('%s -flags' % cc):
+		if not Utils.cmd_output(cc + ['-flags']):
 			conf.fatal('suncc %r was not found' % cc)
 	except ValueError:
 		conf.fatal('suncc -flags could not be executed')
diff --git a/tools/wafadmin/Tools/suncxx.py b/tools/wafadmin/Tools/suncxx.py
index f168502e00..b6e9ef8562 100644
--- a/tools/wafadmin/Tools/suncxx.py
+++ b/tools/wafadmin/Tools/suncxx.py
@@ -14,10 +14,16 @@ def find_sxx(conf):
 	cc = None
 	if v['CXX']: cc = v['CXX']
 	elif 'CXX' in conf.environ: cc = conf.environ['CXX']
-	#if not cc: cc = conf.find_program('g++', var='CXX')
 	if not cc: cc = conf.find_program('c++', var='CXX')
-	if not cc: cc = conf.find_program('CC', var='CXX') #studio
 	if not cc: conf.fatal('sunc++ was not found')
+	cc = conf.cmd_to_list(cc)
+
+	try:
+		if not Utils.cmd_output(cc + ['-flags']):
+			conf.fatal('sunc++ %r was not found' % cc)
+	except ValueError:
+		conf.fatal('sunc++ -flags could not be executed')
+
 	v['CXX']  = cc
 	v['CXX_NAME'] = 'sun'
 
diff --git a/tools/wafadmin/Tools/vala.py b/tools/wafadmin/Tools/vala.py
index 43b802c33e..806f2f4b0f 100644
--- a/tools/wafadmin/Tools/vala.py
+++ b/tools/wafadmin/Tools/vala.py
@@ -3,7 +3,7 @@
 # Ali Sabil, 2007
 
 import os.path, shutil
-import Task, Runner, Utils, Logs, Build, Node
+import Task, Runner, Utils, Logs, Build, Node, Options
 from TaskGen import extension, after, before
 
 EXT_VALA = ['.vala', '.gs']
@@ -29,6 +29,9 @@ class valac_task(Task.Task):
 		if self.threading:
 			cmd.append('--thread')
 
+		if self.profile:
+			cmd.append('--profile=%s' % self.profile)
+
 		if self.target_glib:
 			cmd.append('--target-glib=%s' % self.target_glib)
 
@@ -134,13 +137,15 @@ def vala_file(self, node):
 		valatask = self.create_task('valac')
 		self.valatask = valatask
 		self.includes = Utils.to_list(getattr(self, 'includes', []))
+		self.uselib = self.to_list(self.uselib)
 		valatask.packages = []
 		valatask.packages_private = Utils.to_list(getattr(self, 'packages_private', []))
 		valatask.vapi_dirs = []
 		valatask.target = self.target
 		valatask.threading = False
 		valatask.install_path = self.install_path
-		valatask.target_glib = None
+		valatask.profile = getattr (self, 'profile', 'gobject')
+		valatask.target_glib = None #Deprecated
 
 		packages = Utils.to_list(getattr(self, 'packages', []))
 		vapi_dirs = Utils.to_list(getattr(self, 'vapi_dirs', []))
@@ -197,14 +202,24 @@ def vala_file(self, node):
 			except AttributeError:
 				Logs.warn("Unable to locate include directory: '%s'" % include)
 
-		if hasattr(self, 'threading'):
-			valatask.threading = self.threading
-			self.uselib = self.to_list(self.uselib)
-			if not 'GTHREAD' in self.uselib:
-				self.uselib.append('GTHREAD')
+		if valatask.profile == 'gobject':
+			if hasattr(self, 'target_glib'):
+				Logs.warn ('target_glib on vala tasks is deprecated --vala-target-glib=MAJOR.MINOR from the vala tool options')
+
+			if getattr(Options.options, 'vala_target_glib', None):
+				valatask.target_glib = Options.options.vala_target_glib
 
-		if hasattr(self, 'target_glib'):
-			valatask.target_glib = self.target_glib
+			if not 'GOBJECT' in self.uselib:
+				self.uselib.append('GOBJECT')
+
+		if hasattr(self, 'threading'):
+			if valatask.profile == 'gobject':
+				valatask.threading = self.threading
+				if not 'GTHREAD' in self.uselib:
+					self.uselib.append('GTHREAD')
+			else:
+				#Vala doesn't have threading support for dova nor posix
+				Logs.warn("Profile %s does not have threading support" % valatask.profile)
 
 		if hasattr(self, 'gir'):
 			valatask.gir = self.gir
@@ -244,8 +259,23 @@ def detect(conf):
 
 	valac = conf.find_program('valac', var='VALAC', mandatory=True)
 
+	if not conf.env["HAVE_GOBJECT"]:
+		pkg_args = {'package':      'gobject-2.0',
+		            'uselib_store': 'GOBJECT',
+		            'args':         '--cflags --libs'}
+		if getattr(Options.options, 'vala_target_glib', None):
+			pkg_args['atleast_version'] = Options.options.vala_target_glib
+
+		conf.check_cfg(**pkg_args)
+
 	if not conf.env["HAVE_GTHREAD"]:
-		conf.check_cfg(package='gthread-2.0', uselib_store='GTHREAD', args='--cflags --libs')
+		pkg_args = {'package':      'gthread-2.0',
+		            'uselib_store': 'GTHREAD',
+		            'args':         '--cflags --libs'}
+		if getattr(Options.options, 'vala_target_glib', None):
+			pkg_args['atleast_version'] = Options.options.vala_target_glib
+
+		conf.check_cfg(**pkg_args)
 
 	try:
 		output = Utils.cmd_output(valac + " --version", silent=True)
@@ -269,3 +299,9 @@ def detect(conf):
 	conf.env['VALAC_VERSION'] = valac_version
 	conf.env['VALAFLAGS'] = ''
 
+def set_options (opt):
+	valaopts = opt.add_option_group('Vala Compiler Options')
+	valaopts.add_option ('--vala-target-glib', default=None,
+	                     dest='vala_target_glib', metavar='MAJOR.MINOR',
+	                     help='Target version of glib for Vala GObject code generation')
+
diff --git a/tools/wafadmin/Utils.py b/tools/wafadmin/Utils.py
index 1d1b2009c1..e03126e8d5 100644
--- a/tools/wafadmin/Utils.py
+++ b/tools/wafadmin/Utils.py
@@ -130,18 +130,22 @@ try:
 
 except ImportError:
 	try:
-		from hashlib import md5
+		try:
+			from hashlib import md5
+		except ImportError:
+			from md5 import md5
+
+		def h_file(filename):
+			f = open(filename, 'rb')
+			m = md5()
+			while (filename):
+				filename = f.read(100000)
+				m.update(filename)
+			f.close()
+			return m.digest()
 	except ImportError:
-		from md5 import md5
-
-	def h_file(filename):
-		f = open(filename, 'rb')
-		m = md5()
-		while (filename):
-			filename = f.read(100000)
-			m.update(filename)
-		f.close()
-		return m.digest()
+		# portability fixes may be added elsewhere (although, md5 should be everywhere by now)
+		md5 = None
 
 class ordered_dict(UserDict):
 	def __init__(self, dict = None):
@@ -282,6 +286,15 @@ def set_main_module(file_path):
 	g_module = load_module(file_path, 'wscript_main')
 	g_module.root_path = file_path
 
+	try:
+		g_module.APPNAME
+	except:
+		g_module.APPNAME = 'noname'
+	try:
+		g_module.VERSION
+	except:
+		g_module.VERSION = '1.0'
+
 	# note: to register the module globally, use the following:
 	# sys.modules['wscript_main'] = g_module
 
diff --git a/tools/wafadmin/py3kfixes.py b/tools/wafadmin/py3kfixes.py
index ebfeaae77f..6aeb26b64a 100644
--- a/tools/wafadmin/py3kfixes.py
+++ b/tools/wafadmin/py3kfixes.py
@@ -100,7 +100,7 @@ def r7(code):
 
 @subst('Tools/python.py')
 def r8(code):
-	code = code.replace('p.communicate()[0]', 'p.communicate()[0].decode("utf-8")')
+	code = code.replace('proc.communicate()[0]', 'proc.communicate()[0].decode("utf-8")')
 	return code
 
 @subst('Tools/glib2.py')