Squashed 'waflib/' changes from 915dcb1..e7a29b6

e7a29b6 Upgrade to waf 2.0.15
8280f9d Add command for running executables from the build directory
8073c1a Make make_simple_dox() safe in case of exception
70d03b8 Avoid use of global counter hacks for configuration display
b7d689a Rewrite test framework
94deadf Automatically add options and move add_flags() to options context
f4259ee Reduce system include path noise
927b608 Automatically display configuration header
c44b8f3 Set line justification from a constant in the wscript
a48e26f Automatically detect if wscript has a test hook
ef66724 Save runtime variables in the environment
63bcbcd Clean up TestContext
b1d9505 Add ExecutionContext for setting runtime environment
387c1df Add show_diff() and test_file_equals() utilities
29d4d29 Fix in-tree library paths
9fde01f Add custom configuration context
6d3612f Add lib_path_name constant

git-subtree-dir: waflib
git-subtree-split: e7a29b6b9b2f842314244c23c14d8f8f560904e1

1 files changed, 7 insertions, 1 deletions

diff --git a/Runner.py b/Runner.py
index 261084d..5d27669 100644
--- a/Runner.py
+++ b/Runner.py
@@ -37,6 +37,8 @@ class PriorityTasks(object):
 		return len(self.lst)
 	def __iter__(self):
 		return iter(self.lst)
+	def __str__(self):
+		return 'PriorityTasks: [%s]' % '\n  '.join(str(x) for x in self.lst)
 	def clear(self):
 		self.lst = []
 	def append(self, task):
@@ -181,10 +183,12 @@ class Parallel(object):
 		The reverse dependency graph of dependencies obtained from Task.run_after
 		"""
 
-		self.spawner = Spawner(self)
+		self.spawner = None
 		"""
 		Coordinating daemon thread that spawns thread consumers
 		"""
+		if self.numjobs > 1:
+			self.spawner = Spawner(self)
 
 	def get_next_task(self):
 		"""
@@ -254,6 +258,8 @@ class Parallel(object):
 							self.outstanding.append(x)
 							break
 					else:
+						if self.stop or self.error:
+							break
 						raise Errors.WafError('Broken revdeps detected on %r' % self.incomplete)
 				else:
 					tasks = next(self.biter)