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56 lines
3.2 KiB
Plaintext
56 lines
3.2 KiB
Plaintext
NEW IN WAF 1.9 preview 3
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* General enhancements:
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- Have Clang detected first on many platforms, in particular on FreeBSD #1528
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- Remove Node.cache_sig and Node.sig so that dependencies are on file contents #1580
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- Change cflags in the beginning / cppflags at the end #1505
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- Merge ${FOO}${BAR} flags in commands executed without a shell (no space added)
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- Interpret empty command-line defines as integer values #1704
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- Waf tools are not cached on "waf configure" by default anymore; pass conf.load(.., cache=True)
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- Enable a consistent progress bar output #1641
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- Add ${VAR?X} constructs in script expressions to enable simple conditional outputs
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- Enable 'waf dist' to package arbitrary symlinks in tarballs #1719
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- Enable regexp objects in @extension besides strings for file extensions
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- Match extensions in the order of last definition
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- Task generators are now processed group-by-group, so the next task generators are
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processed when all tasks in a previous group are complete; bld.post_mode=POST_LAZY
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becomes thus the default (playground/dynamic_build/ examples)
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- Process Qt5 files in the way suggested by the Qt documentation
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- Installation methods install_files/install_as/symlink_as create regular task generators
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and regular tasks so that installation outputs can be re-used easily
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- Subclass waflib.Build.ConfiguredContext to enable configuration-dependent user commands
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* Performance highlights:
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- Reduce the key size in bld.task_sigs by adding bld.node_sigs and bld.imp_sigs
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- Remove __hash__ and __eq__ from Context, Node and Task #1629
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- Make lazy visual studio detection the default
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- Remove the uses of run_once that can consume a lot of memory; add a proper LRU cache
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- Enable pre-forked builds by default to achieve faster builds, up to 2x speedup on short-lived processes
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- Enable faster consumers in Runner.py
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- Add the tool 'nobuild.py' to help with performance troubleshooting
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- Enable profiling with the --profile command-line option
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* API changes:
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- The minimum Python version required is Python 2.5
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- Add Task.get_cwd()
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- Remove the duplicate split() functions from Utils
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- Remove the command called "update"
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- Remove Utils.nogc
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- Remove Configure.err_handler
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- Remove TaskBase.attr() which was never used
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- Remove Build.POST_BOTH which was never used
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- Remove Task.dep_vars as it is never used (define Task.vars on instances if necessary)
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- Remove the unused attribute 'mac_resources', use 'mac_files' instead (see demos/mac_app)
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- Remove qt4 and kde4 from the default modules
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- Refactored msvc.py
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- Task.sig_vars, Task.sig_explit_deps and Task.sig_implicit_deps return None
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- Use relative paths in apply_incpaths by default (and absolute ones when paths cross drives)
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- Modify Utils.run_once so that it accepts a list of *args
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- Better consistency between check_cfg and check_cc variables
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- task_gen.mapping and task_gen.prec are not defined by default on instances anymore, but
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instances can still define their own mappings to override the defaults, but in
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that case all mappings/precedences must be present. These features were not used in Waf 1.8.
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- Do not truncate the _task suffix from Task class names
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