4 files changed, 45 insertions, 32 deletions

diff --git a/bitbake-dev/lib/bb/cooker.py b/bitbake-dev/lib/bb/cooker.py
index c9afadbc97..ead76ca6ba 100644
--- a/bitbake-dev/lib/bb/cooker.py
+++ b/bitbake-dev/lib/bb/cooker.py
@@ -86,10 +86,31 @@ class BBCooker:
 
         self.configuration.data = bb.data.init()
 
-    def parseConfiguration(self):
-
         bb.data.inheritFromOS(self.configuration.data)
 
+        # TOSTOP must not be set or our children will hang when they output
+        fd = sys.stdout.fileno()
+        if os.isatty(fd):
+            import termios
+            tcattr = termios.tcgetattr(fd)
+            if tcattr[3] & termios.TOSTOP:
+                bb.msg.note(1, bb.msg.domain.Build, "The terminal had the TOSTOP bit set, clearing...")
+                tcattr[3] = tcattr[3] & ~termios.TOSTOP
+                termios.tcsetattr(fd, termios.TCSANOW, tcattr)
+
+        self.command = bb.command.Command(self)
+        self.cookerIdle = True
+        self.cookerState = cookerClean
+        self.cookerAction = cookerRun
+        self.server.register_idle_function(self.runCommands, self)
+
+    def parseConfiguration(self):
+        #
+        # Special updated configuration we use for firing events
+        #
+        self.configuration.event_data = bb.data.createCopy(self.configuration.data)
+        bb.data.update_data(self.configuration.event_data)
+
         for f in self.configuration.file:
             self.parseConfigurationFile( f )
 
@@ -102,29 +123,14 @@ class BBCooker:
         if bbpkgs:
             self.configuration.pkgs_to_build.extend(bbpkgs.split())
 
-        #
-        # Special updated configuration we use for firing events
-        #
-        self.configuration.event_data = bb.data.createCopy(self.configuration.data)
-        bb.data.update_data(self.configuration.event_data)
-
-        # TOSTOP must not be set or our children will hang when they output
-        fd = sys.stdout.fileno()
-        if os.isatty(fd):
-            import termios
-            tcattr = termios.tcgetattr(fd)
-            if tcattr[3] & termios.TOSTOP:
-                bb.msg.note(1, bb.msg.domain.Build, "The terminal had the TOSTOP bit set, clearing...")
-                tcattr[3] = tcattr[3] & ~termios.TOSTOP
-                termios.tcsetattr(fd, termios.TCSANOW, tcattr)
-
         # Change nice level if we're asked to
         nice = bb.data.getVar("BB_NICE_LEVEL", self.configuration.data, True)
         if nice:
             curnice = os.nice(0)
             nice = int(nice) - curnice
             bb.msg.note(2, bb.msg.domain.Build, "Renice to %s " % os.nice(nice))
- 
+
+    def parseCommandLine(self):
         # Parse any commandline into actions
         if self.configuration.show_environment:
             self.commandlineAction = None
@@ -156,17 +162,6 @@ class BBCooker:
                 self.commandlineAction = None
                 bb.error("Nothing to do.  Use 'bitbake world' to build everything, or run 'bitbake --help' for usage information.")
 
-        # FIXME - implement
-        #if self.configuration.interactive:
-        #    self.interactiveMode()
-
-        self.command = bb.command.Command(self)
-        self.cookerIdle = True
-        self.cookerState = cookerClean
-        self.cookerAction = cookerRun
-        self.server.register_idle_function(self.runCommands, self)
-
-
     def runCommands(self, server, data, abort):
         """
         Run any queued asynchronous command
@@ -310,6 +305,10 @@ class BBCooker:
         # Need files parsed
         self.updateCache()
 
+        # If we are told to do the None task then query the default task
+        if (task == None):
+            task = self.configuration.cmd
+
         pkgs_to_build = self.checkPackages(pkgs_to_build)
 
         localdata = data.createCopy(self.configuration.data)
@@ -615,6 +614,14 @@ class BBCooker:
         Build the file matching regexp buildfile
         """
 
+        # Parse the configuration here. We need to do it explicitly here since
+        # buildFile() doesn't use the cache
+        self.parseConfiguration()
+
+        # If we are told to do the None task then query the default task
+        if (task == None):
+            task = self.configuration.cmd
+
         fn = self.matchFile(buildfile)
         self.buildSetVars()
 
@@ -685,6 +692,10 @@ class BBCooker:
         # Need files parsed
         self.updateCache()
 
+        # If we are told to do the NULL task then query the default task
+        if (task == None):
+            task = self.configuration.cmd
+
         targets = self.checkPackages(targets)
 
         def buildTargetsIdle(server, rq, abort):
@@ -731,6 +742,7 @@ class BBCooker:
 
     def updateCache(self):
 
+        self.parseConfiguration ()
         if self.cookerState == cookerParsed:
             return
 
diff --git a/bitbake-dev/lib/bb/runqueue.py b/bitbake-dev/lib/bb/runqueue.py
index 1c911ef0c8..01452d2f33 100644
--- a/bitbake-dev/lib/bb/runqueue.py
+++ b/bitbake-dev/lib/bb/runqueue.py
@@ -869,7 +869,7 @@ class RunQueue:
             self.finish_runqueue()
 
         if self.state is runQueueFailed:
-            if self.taskData.abort:
+            if not self.taskData.tryaltconfigs:
                 raise bb.runqueue.TaskFailure(self.failed_fnids)
             for fnid in self.failed_fnids:
                 self.taskData.fail_fnid(fnid)
diff --git a/bitbake-dev/lib/bb/taskdata.py b/bitbake-dev/lib/bb/taskdata.py
index 566614ee63..782dfb0b78 100644
--- a/bitbake-dev/lib/bb/taskdata.py
+++ b/bitbake-dev/lib/bb/taskdata.py
@@ -30,7 +30,7 @@ class TaskData:
     """
     BitBake Task Data implementation
     """
-    def __init__(self, abort = True):
+    def __init__(self, abort = True, tryaltconfigs = False):
         self.build_names_index = []
         self.run_names_index = []
         self.fn_index = []
@@ -57,6 +57,7 @@ class TaskData:
         self.failed_fnids = []
 
         self.abort = abort
+        self.tryaltconfigs = tryaltconfigs
 
     def getbuild_id(self, name):
         """
diff --git a/bitbake-dev/lib/bb/ui/depexplorer.py b/bitbake-dev/lib/bb/ui/depexp.py
index 9d92fa0a08..9d92fa0a08 100644
--- a/bitbake-dev/lib/bb/ui/depexplorer.py
+++ b/bitbake-dev/lib/bb/ui/depexp.py