From e5e8397154f44244ba1f0615688b985f9c9bbc53 Mon Sep 17 00:00:00 2001
From: Thomas Nagy <tnagy@waf.io>
Date: Wed, 14 Jun 2017 19:53:01 +0200
Subject: [PATCH] Change producer.outstanding.appendleft to
 producer.outstanding.append

---
 playground/dynamic_headers/wscript | 4 ++--
 waflib/Runner.py                   | 4 +++-
 waflib/Task.py                     | 1 -
 waflib/Tools/qt5.py                | 2 +-
 waflib/extras/qt4.py               | 2 +-
 waflib/extras/slow_qt4.py          | 2 +-
 waflib/extras/swig.py              | 2 +-
 7 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/playground/dynamic_headers/wscript b/playground/dynamic_headers/wscript
index a8f06f6a..82b909a7 100644
--- a/playground/dynamic_headers/wscript
+++ b/playground/dynamic_headers/wscript
@@ -56,7 +56,7 @@ def runnable_status(self):
 					tsk = mock_tasks[m_node]
 				except KeyError:
 					tsk = mock_tasks[m_node] = self.generator.create_task('mock', [h_node], [m_node])
-					bld.producer.outstanding.appendleft(tsk)
+					bld.producer.outstanding.append(tsk)
 					bld.producer.total += 1
 
 					# preprocessor cache :-/
@@ -86,7 +86,7 @@ def runnable_status(self):
 					tsk = mock_tasks[x]
 				except KeyError:
 					tsk = mock_tasks[x] = self.generator.create_task('mock', [h_node], [x])
-					bld.producer.outstanding.appendleft(tsk)
+					bld.producer.outstanding.append(tsk)
 					bld.producer.total += 1
 
 				add = True
diff --git a/waflib/Runner.py b/waflib/Runner.py
index b171ed42..2fb7da3f 100644
--- a/waflib/Runner.py
+++ b/waflib/Runner.py
@@ -29,6 +29,8 @@ class PriorityTasks(object):
 		self.lst = []
 	def append(self, task):
 		heapq.heappush(self.lst, task)
+	def appendleft(self, task):
+		heapq.heappush(self.lst, task)
 	def pop(self):
 		return heapq.heappop(self.lst)
 	def extend(self, lst):
@@ -41,7 +43,7 @@ class PriorityTasks(object):
 				self.lst = lst
 				heapq.heapify(lst)
 			else:
-				self.lst = lst.queue
+				self.lst = lst.lst
 
 class Consumer(Utils.threading.Thread):
 	"""
diff --git a/waflib/Task.py b/waflib/Task.py
index 3628b7dd..30a60ec6 100644
--- a/waflib/Task.py
+++ b/waflib/Task.py
@@ -178,7 +178,6 @@ class Task(evil):
 		"""Set of tasks that must be executed before this one"""
 
 		self.__order = 0
-		"""Task build order; used internally"""
 
 	def __lt__(self, other):
 		return self.__order > other.__order or id(self) > id(other)
diff --git a/waflib/Tools/qt5.py b/waflib/Tools/qt5.py
index c126064b..2c007eef 100644
--- a/waflib/Tools/qt5.py
+++ b/waflib/Tools/qt5.py
@@ -149,7 +149,7 @@ class qxx(Task.classes['cxx']):
 
 			# direct injection in the build phase (safe because called from the main thread)
 			gen = self.generator.bld.producer
-			gen.outstanding.appendleft(tsk)
+			gen.outstanding.append(tsk)
 			gen.total += 1
 
 			return tsk
diff --git a/waflib/extras/qt4.py b/waflib/extras/qt4.py
index 08477a67..565a4527 100644
--- a/waflib/extras/qt4.py
+++ b/waflib/extras/qt4.py
@@ -155,7 +155,7 @@ class qxx(Task.classes['cxx']):
 
 			# direct injection in the build phase (safe because called from the main thread)
 			gen = self.generator.bld.producer
-			gen.outstanding.appendleft(tsk)
+			gen.outstanding.append(tsk)
 			gen.total += 1
 
 			return tsk
diff --git a/waflib/extras/slow_qt4.py b/waflib/extras/slow_qt4.py
index 993eb3c7..dc18b4ed 100644
--- a/waflib/extras/slow_qt4.py
+++ b/waflib/extras/slow_qt4.py
@@ -63,7 +63,7 @@ class cxx_qt(Task.classes['cxx']):
 						# moc is trying to be too smart but it is too dumb:
 						# why forcing the #include when Q_OBJECT is in the cpp file?
 						gen = self.generator.bld.producer
-						gen.outstanding.appendleft(tsk)
+						gen.outstanding.append(tsk)
 						gen.total += 1
 						self.set_run_after(tsk)
 					else:
diff --git a/waflib/extras/swig.py b/waflib/extras/swig.py
index 94629c78..dd0e9af2 100644
--- a/waflib/extras/swig.py
+++ b/waflib/extras/swig.py
@@ -113,7 +113,7 @@ def swig_c(self):
 	c_tsk.set_run_after(self)
 
 	ge = self.generator.bld.producer
-	ge.outstanding.appendleft(c_tsk)
+	ge.outstanding.append(c_tsk)
 	ge.total += 1
 
 	try: