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+Changes in Bitbake 1.9.x:
+ - Add PE (Package Epoch) support from Philipp Zabel (pH5)
+ - Treat python functions the same as shell functions for logging
+ - Use TMPDIR/anonfunc as a __anonfunc temp directory (T)
+ - Catch truncated cache file errors
+ - Allow operations other than assignment on flag variables
+ - Add code to handle inter-task dependencies
+ - Fix cache errors when generation dotGraphs
+ - Make sure __inherit_cache is updated before calling include() (from Michael Krelin)
+ - Fix bug when target was in ASSUME_PROVIDED (#2236)
+ - Raise ParseError for filenames with multiple underscores instead of infinitely looping (#2062)
+ - Fix invalid regexp in BBMASK error handling (missing import) (#1124)
+ - Promote certain warnings from debug to note 2 level
+ - Update manual
+ - Correctly redirect stdin when forking
+ - If parsing errors are found, exit, too many users miss the errors
+ - Remove supriours PREFERRED_PROVIDER warnings
+ - svn fetcher: Add _buildsvncommand function
+ - Improve certain error messages
+ - Rewrite svn fetcher to make adding extra operations easier
+ as part of future SRCDATE="now" fixes
+ (requires new FETCHCMD_svn definition in bitbake.conf)
+ - Change SVNDIR layout to be more unique (fixes #2644 and #2624)
+ - Add ConfigParsed Event after configuration parsing is complete
+ - Add SRCREV support for svn fetcher
+ - data.emit_var() - only call getVar if we need the variable
+ - Stop generating the A variable (seems to be legacy code)
+ - Make sure intertask depends get processed correcting in recursive depends
+ - Add pn-PN to overrides when evaluating PREFERRED_VERSION
+ - Improve the progress indicator by skipping tasks that have
+ already run before starting the build rather than during it
+ - Add profiling option (-P)
+ - Add BB_SRCREV_POLICY variable (clear or cache) to control SRCREV cache
+ - Add SRCREV_FORMAT support
+ - Fix local fetcher's localpath return values
+ - Apply OVERRIDES before performing immediate expansions
+ - Allow the -b -e option combination to take regular expressions
+ - Fix handling of variables with expansion in the name using _append/_prepend
+ e.g. RRECOMMENDS_${PN}_append_xyz = "abc"
+ - Add plain message function to bb.msg
+ - Sort the list of providers before processing so dependency problems are
+ reproducible rather than effectively random
+ - Fix/improve bitbake -s output
+ - Add locking for fetchers so only one tries to fetch a given file at a given time
+ - Fix int(0)/None confusion in runqueue.py which causes random gaps in dependency chains
+ - Expand data in addtasks
+ - Print the list of missing DEPENDS,RDEPENDS for the "No buildable providers available for required...."
+ error message.
+ - Rework add_task to be more efficient (6% speedup, 7% number of function calls reduction)
+ - Sort digraph output to make builds more reproducible
+ - Split expandKeys into two for loops to benefit from the expand_cache (12% speedup)
+ - runqueue.py: Fix idepends handling to avoid dependency errors
+ - Clear the terminal TOSTOP flag if set (and warn the user)
+ - Fix regression from r653 and make SRCDATE/CVSDATE work for packages again
+ - Fix a bug in bb.decodeurl where http://some.where.com/somefile.tgz decoded to host="" (#1530)
+ - Warn about malformed PREFERRED_PROVIDERS (#1072)
+ - Add support for BB_NICE_LEVEL option (#1627)
+ - Psyco is used only on x86 as there is no support for other architectures.
+ - Sort initial providers list by default preference (#1145, #2024)
+ - Improve provider sorting so prefered versions have preference over latest versions (#768)
+ - Detect builds of tasks with overlapping providers and warn (will become a fatal error) (#1359)
+ - Add MULTI_PROVIDER_WHITELIST variable to allow known safe multiple providers to be listed
+ - Handle paths in svn fetcher module parameter
+ - Support the syntax "export VARIABLE"
+ - Add bzr fetcher
+ - Add support for cleaning directories before a task in the form:
+ do_taskname[cleandirs] = "dir"
+ - bzr fetcher tweaks from Robert Schuster (#2913)
+ - Add mercurial (hg) fetcher from Robert Schuster (#2913)
+ - Don't add duplicates to BBPATH
+ - Fix preferred_version return values (providers.py)
+ - Fix 'depends' flag splitting
+ - Fix unexport handling (#3135)
+ - Add bb.copyfile function similar to bb.movefile (and improve movefile error reporting)
+ - Allow multiple options for deptask flag
+ - Use git-fetch instead of git-pull removing any need for merges when
+ fetching (we don't care about the index). Fixes fetch errors.
+ - Add BB_GENERATE_MIRROR_TARBALLS option, set to 0 to make git fetches
+ faster at the expense of not creating mirror tarballs.
+ - SRCREV handling updates, improvements and fixes from Poky
+ - Add bb.utils.lockfile() and bb.utils.unlockfile() from Poky
+ - Add support for task selfstamp and lockfiles flags
+ - Disable task number acceleration since it can allow the tasks to run
+ out of sequence
+ - Improve runqueue code comments
+ - Add task scheduler abstraction and some example schedulers
+ - Improve circular dependency chain debugging code and user feedback
+ - Don't give a stacktrace for invalid tasks, have a user friendly message (#3431)
+ - Add support for "-e target" (#3432)
+ - Fix shell showdata command (#3259)
+ - Fix shell data updating problems (#1880)
+ - Properly raise errors for invalid source URI protocols
+ - Change the wget fetcher failure handling to avoid lockfile problems
+ - Add support for branches in git fetcher (Otavio Salvador, Michael Lauer)
+ - Make taskdata and runqueue errors more user friendly
+ - Add norecurse and fullpath options to cvs fetcher
+ - Fix exit code for build failures in --continue mode
+ - Fix git branch tags fetching
+ - Change parseConfigurationFile so it works on real data, not a copy
+ - Handle 'base' inherit and all other INHERITs from parseConfigurationFile
+ instead of BBHandler
+ - Fix getVarFlags bug in data_smart
+ - Optmise cache handling by more quickly detecting an invalid cache, only
+ saving the cache when its changed, moving the cache validity check into
+ the parsing loop and factoring some getVar calls outside a for loop
+ - Cooker: Remove a debug message from the parsing loop to lower overhead
+ - Convert build.py exec_task to use getVarFlags
+ - Update shell to use cooker.buildFile
+ - Add StampUpdate event
+ - Convert -b option to use taskdata/runqueue
+ - Remove digraph and switch to new stamp checking code. exec_task no longer
+ honours dependencies
+ - Make fetcher timestamp updating non-fatal when permissions don't allow
+ updates
+ - Add BB_SCHEDULER variable/option ("completion" or "speed") controlling
+ the way bitbake schedules tasks
+ - Add BB_STAMP_POLICY variable/option ("perfile" or "full") controlling
+ how extensively stamps are looked at for validity
+ - When handling build target failures make sure idepends are checked and
+ failed where needed. Fixes --continue mode crashes.
+ - Fix -f (force) in conjunction with -b
+ - Fix problems with recrdeptask handling where some idepends weren't handled
+ correctly.
+ - Handle exit codes correctly (from pH5)
+ - Work around refs/HEAD issues with git over http (#3410)
+ - Add proxy support to the CVS fetcher (from Cyril Chemparathy)
+ - Improve runfetchcmd so errors are seen and various GIT variables are exported
+ - Add ability to fetchers to check URL validity without downloading
+ - Improve runtime PREFERRED_PROVIDERS warning message
+ - Add BB_STAMP_WHITELIST option which contains a list of stamps to ignore when
+ checking stamp dependencies and using a BB_STAMP_POLICY of "whitelist"
+ - No longer weight providers on the basis of a package being "already staged". This
+ leads to builds being non-deterministic.
+ - Flush stdout/stderr before forking to fix duplicate console output
+ - Make sure recrdeps tasks include all inter-task dependencies of a given fn
+ - Add bb.runqueue.check_stamp_fn() for use by packaged-staging
+ - Add PERSISTENT_DIR to store the PersistData in a persistent
+ directory != the cache dir.
+ - Add md5 and sha256 checksum generation functions to utils.py
+ - Correctly handle '-' characters in class names (#2958)
+ - Make sure expandKeys has been called on the data dictionary before running tasks
+ - Correctly add a task override in the form task-TASKNAME.
+ - Revert the '-' character fix in class names since it breaks things
+ - When a regexp fails to compile for PACKAGES_DYNAMIC, print a more useful error (#4444)
+ - Allow to checkout CVS by Date and Time. Just add HHmm to the SRCDATE.
+ - Move prunedir function to utils.py and add explode_dep_versions function
+ - Raise an exception if SRCREV == 'INVALID'
+ - Fix hg fetcher username/password handling and fix crash
+ - Fix PACKAGES_DYNAMIC handling of packages with '++' in the name
+ - Rename __depends to __base_depends after configuration parsing so we don't
+ recheck the validity of the config files time after time
+ - Add better environmental variable handling. By default it will now only pass certain
+ whitelisted variables into the data store. If BB_PRESERVE_ENV is set bitbake will use
+ all variable from the environment. If BB_ENV_WHITELIST is set, that whitelist will be
+ used instead of the internal bitbake one. Alternatively, BB_ENV_EXTRAWHITE can be used
+ to extend the internal whitelist.
+ - Perforce fetcher fix to use commandline options instead of being overriden by the environment
+ - bb.utils.prunedir can cope with symlinks to directoriees without exceptions
+ - use @rev when doing a svn checkout
+ - Add osc fetcher (from Joshua Lock in Poky)
+ - When SRCREV autorevisioning for a recipe is in use, don't cache the recipe
+ - Add tryaltconfigs option to control whether bitbake trys using alternative providers
+ to fulfil failed dependencies. It defaults to off, changing the default since this
+ behaviour confuses many users and isn't often useful.
+ - Improve lock file function error handling
+ - Add username handling to the git fetcher (Robert Bragg)
+ - Add support for HTTP_PROXY and HTTP_PROXY_IGNORE variables to the wget fetcher
+ - Export more variables to the fetcher commands to allow ssh checkouts and checkouts through
+ proxies to work better. (from Poky)
+ - Also allow user and pswd options in SRC_URIs globally (from Poky)
+ - Improve proxy handling when using mirrors (from Poky)
+ - Add bb.utils.prune_suffix function
+ - Fix hg checkouts of specific revisions (from Poky)
+ - Fix wget fetching of urls with parameters specified (from Poky)
+ - Add username handling to git fetcher (from Poky)
+ - Set HOME environmental variable when running fetcher commands (from Poky)
+ - Make sure allowed variables inherited from the environment are exported again (from Poky)
+ - When running a stage task in bbshell, run populate_staging, not the stage task (from Poky)
+ - Fix + character escaping from PACKAGES_DYNAMIC (thanks Otavio Salvador)
+ - Addition of BBCLASSEXTEND support for allowing one recipe to provide multiple targets (from Poky)
+
+Changes in Bitbake 1.8.0:
+ - Release 1.7.x as a stable series
+
+Changes in BitBake 1.7.x:
+ - Major updates of the dependency handling and execution
+ of tasks. Code from bin/bitbake replaced with runqueue.py
+ and taskdata.py
+ - New task execution code supports multithreading with a simplistic
+ threading algorithm controlled by BB_NUMBER_THREADS
+ - Change of the SVN Fetcher to keep the checkout around
+ courtsey of Paul Sokolovsky (#1367)
+ - PATH fix to bbimage (#1108)
+ - Allow debug domains to be specified on the commandline (-l)
+ - Allow 'interactive' tasks
+ - Logging message improvements
+ - Drop now uneeded BUILD_ALL_DEPS variable
+ - Add support for wildcards to -b option
+ - Major overhaul of the fetchers making a large amount of code common
+ including mirroring code
+ - Fetchers now touch md5 stamps upon access (to show activity)
+ - Fix -f force option when used without -b (long standing bug)
+ - Add expand_cache to data_cache.py, caching expanded data (speedup)
+ - Allow version field in DEPENDS (ignored for now)
+ - Add abort flag support to the shell
+ - Make inherit fail if the class doesn't exist (#1478)
+ - Fix data.emit_env() to expand keynames as well as values
+ - Add ssh fetcher
+ - Add perforce fetcher
+ - Make PREFERRED_PROVIDER_foobar defaults to foobar if available
+ - Share the parser's mtime_cache, reducing the number of stat syscalls
+ - Compile all anonfuncs at once!
+ *** Anonfuncs must now use common spacing format ***
+ - Memorise the list of handlers in __BBHANDLERS and tasks in __BBTASKS
+ This removes 2 million function calls resulting in a 5-10% speedup
+ - Add manpage
+ - Update generateDotGraph to use taskData/runQueue improving accuracy
+ and also adding a task dependency graph
+ - Fix/standardise on GPLv2 licence
+ - Move most functionality from bin/bitbake to cooker.py and split into
+ separate funcitons
+ - CVS fetcher: Added support for non-default port
+ - Add BBINCLUDELOGS_LINES, the number of lines to read from any logfile
+ - Drop shebangs from lib/bb scripts
+
+Changes in Bitbake 1.6.0:
+ - Better msg handling
+ - COW dict implementation from Tim Ansell (mithro) leading
+ to better performance
+ - Speed up of -s
+
+Changes in Bitbake 1.4.4:
+ - SRCDATE now handling courtsey Justin Patrin
+ - #1017 fix to work with rm_work
+
+Changes in BitBake 1.4.2:
+ - Send logs to oe.pastebin.com instead of pastebin.com
+ fixes #856
+ - Copy the internal bitbake data before building the
+ dependency graph. This fixes nano not having a
+ virtual/libc dependency
+ - Allow multiple TARBALL_STASH entries
+ - Cache, check if the directory exists before changing
+ into it
+ - git speedup cloning by not doing a checkout
+ - allow to have spaces in filenames (.conf, .bb, .bbclass)
+
+Changes in BitBake 1.4.0:
+ - Fix to check both RDEPENDS and RDEPENDS_${PN}
+ - Fix a RDEPENDS parsing bug in utils:explode_deps()
+ - Update git fetcher behaviour to match git changes
+ - ASSUME_PROVIDED allowed to include runtime packages
+ - git fetcher cleanup and efficency improvements
+ - Change the format of the cache
+ - Update usermanual to document the Fetchers
+ - Major changes to caching with a new strategy
+ giving a major performance increase when reparsing
+ with few data changes
+
+Changes in BitBake 1.3.3:
+ - Create a new Fetcher module to ease the
+ development of new Fetchers.
+ Issue #438 fixed by rpurdie@openedhand.com
+ - Make the Subversion fetcher honor the SRC Date
+ (CVSDATE).
+ Issue #555 fixed by chris@openedhand.com
+ - Expand PREFERRED_PROVIDER properly
+ Issue #436 fixed by rprudie@openedhand.com
+ - Typo fix for Issue #531 by Philipp Zabel for the
+ BitBake Shell
+ - Introduce a new special variable SRCDATE as
+ a generic naming to replace CVSDATE.
+ - Introduce a new keyword 'required'. In contrast
+ to 'include' parsing will fail if a to be included
+ file can not be found.
+ - Remove hardcoding of the STAMP directory. Patch
+ courtsey pHilipp Zabel
+ - Track the RDEPENDS of each package (rpurdie@openedhand.com)
+ - Introduce BUILD_ALL_DEPS to build all RDEPENDS. E.g
+ this is used by the OpenEmbedded Meta Packages.
+ (rpurdie@openedhand.com).
+
+Changes in BitBake 1.3.2:
+ - reintegration of make.py into BitBake
+ - bbread is gone, use bitbake -e
+ - lots of shell updates and bugfixes
+ - Introduction of the .= and =. operator
+ - Sort variables, keys and groups in bitdoc
+ - Fix regression in the handling of BBCOLLECTIONS
+ - Update the bitbake usermanual
+
+Changes in BitBake 1.3.0:
+ - add bitbake interactive shell (bitbake -i)
+ - refactor bitbake utility in OO style
+ - kill default arguments in methods in the bb.data module
+ - kill default arguments in methods in the bb.fetch module
+ - the http/https/ftp fetcher will fail if the to be
+ downloaded file was not found in DL_DIR (this is needed
+ to avoid unpacking the sourceforge mirror page)
+ - Switch to a cow like data instance for persistent and non
+ persisting mode (called data_smart.py)
+ - Changed the callback of bb.make.collect_bbfiles to carry
+ additional parameters
+ - Drastically reduced the amount of needed RAM by not holding
+ each data instance in memory when using a cache/persistent
+ storage
+
+Changes in BitBake 1.2.1:
+ The 1.2.1 release is meant as a intermediate release to lay the
+ ground for more radical changes. The most notable changes are:
+
+ - Do not hardcode {}, use bb.data.init() instead if you want to
+ get a instance of a data class
+ - bb.data.init() is a factory and the old bb.data methods are delegates
+ - Do not use deepcopy use bb.data.createCopy() instead.
+ - Removed default arguments in bb.fetch
+