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A new SCons checkpoint release, 3.1.2, is now available
on the SCons download page:
https://scons.org/pages/download.html
Here is a summary of the changes since 3.1.1:
NOTE: The 4.0.0 Release of SCons will drop Python 2.7 Support
NEW FUNCTIONALITY
- Added debug option "action_timestamps" which outputs to stdout the absolute start and end time for each target.
REMOVED FUNCTIONALITY
- Turn previously deprecated debug options into failures:
--debug=tree, --debug=dtree, --debug=stree, --debug=nomemoizer.
- Remove deprecated SourceSignatures, TargetSignatures
- Remove deprecated Builder keywords: overrides and scanner
- Remove deprecated env.Copy
- Remove deprecated BuildDir plus SConscript keyword build_dir
CHANGED/ENHANCED EXISTING FUNCTIONALITY
- Update Command() function to accept target_scanner, source_factory, and target_factory arguments.
This makes Command act more like a one-off builder.
- Added support for "-imacros" to ParseFlags
- EXPERIMENTAL NEW FEATURE: Enable caching MSVC configuration
If SCONS_CACHE_MSVC_CONFIG shell environment variable is set,
SCons will cache the results of past calls to vcvarsall.bat to
a file; integrates with existing memoizing of such vars.
On vs2019 saves 5+ seconds per SCons invocation, which really
helps test suite runs.
FIXES
- Fix suncxx tool (Oracle Studio compiler) when using Python 3. Previously would throw an exception.
Resolved by properly handling tool version string output as unicode.
- Resolved a race condition in multithreaded Windows builds with Python 2
in the case where a child process is spawned while a Python action has a
file open. Original author: Ryan Beasley.
- Fix CheckFunc detection code for Visual 2019. Some functions
(e.g. memmove) were incorrectly recognized as not available.
- Fix stacktrace when using SCons with Python 3.5+ and SunOS/Solaris related tools.
- Latex: Avoid crash with UnicodeDecodeError on Python 3 when a Latex log file in
non-UTF-8 encoding (e.g. containing umlauts in Latin-1 encoding when
the fontenc package is included with \usepackage[T1]{fontenc}) is read.
- CmdStringHolder fix from issue #3428
IMPROVEMENTS
- Improved threading performance by ensuring NodeInfo is shared
across threads. Results in ~13% improvement for parallel builds
(-j# > 1) with many shared nodes.
- Improve performance of Entry.disambiguate() by making check for
most common case first, preventing unnecessary IO.
- Improved DAG walk performance by reducing unnecessary work when
there are no un-visited children.
PACKAGING
- N/A
DOCUMENTATION
- N/A
DEVELOPMENT
- N/A
Thanks to the following developers for their contributions to this release.
git shortlog --no-merges -ns 3.1.1..HEAD
59 Mats Wichmann
21 William Deegan
8 Edoardo Bezzeccheri
5 Adam Gross
5 maiphi
4 Ivan Kravets
4 Mathew Robinson
2 Jakub Kulík
2 Jacek Kuczera
2 Rob Boehne
2 Jason Kenny
2 Tim Gates
1 Jakub Kulik
1 Theogen Ratkin
1 jw0k
Copyright (c) 2001 - 2019 The SCons Foundation
src/RELEASE.txt bee7caf9defd6e108fc2998a2520ddb36a967691 2019-12-17 02:07:09 bdeegan
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