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A new SCons release, 4.3.1, is now available
on the SCons download page:
https://scons.org/pages/download.html
Here is a summary of the changes since 4.3.1:
NOTE: If you build with Python 3.10.0 and then rebuild with 3.10.1 (or higher), you may
see unexpected rebuilds. This is due to Python internals changing which changed
the signature of a Python Action Function.
NEW FUNCTIONALITY
-----------------
- Added MSVC_USE_SCRIPT_ARGS variable to pass arguments to MSVC_USE_SCRIPT.
- Added Configure.CheckMember() checker to check if struct/class has the specified member.
DEPRECATED FUNCTIONALITY
------------------------
- List anything that's been deprecated since the last release
CHANGED/ENHANCED EXISTING FUNCTIONALITY
---------------------------------------
- On Windows, %AllUsersProfile%\scons\site_scons is now the default "system"
location for a site_scons. %AllUsersProfile%\Application Data\scons\site_scons
will continue to work. There does not seem to be any convention to use
an "Application Data" subdirectory here.
- Action._subproc() can now be used as a python context manager to ensure that the
POpen object is properly closed.
- SCons help (-H) no longer prints the "ignored for compatibility" options,
which are still listed in the manpage.
- Help is now sensitive to the size of the terminal window: the width of the
help text will scale to wider (or narrower) terminals than 80 characters.
- Ninja: Changed generated build.ninja file to run SCons only build Actions via
a SCons Deamon. Added logic for starting and connecting to SCons daemon (currently
only used for ninja)
- The change to "content" and "content-timestamp" Decider names is reflected
in the User Guide as well, since the hash function may be other than md5
(tidying up from earlier change)
FIXES
-----
- Fix a number of Python ResourceWarnings which are issued when running SCons and/or it's tests
with python 3.9 (or higher)
- Ninja: Fix issue where Configure files weren't being properly processed when build run
via ninja.
- Fixed crash in C scanner's dictify_CPPDEFINES() function which happens if
AppendUnique is called on CPPPATH. (Issue #4108).
- Added default values for source and target arguments to _defines() function. This
is used to expand CPPDEFINES (and others). Previous change added those arguments
with no defaults, so old usage where _defines() was called without source and target
arguments would yield an exception. This issue was found via qt4 and qt5 tools in
scons-contrib https://github.com/SCons/scons-contrib/issues/45
- Fix issue where if you only had mingw installed on a Windows system and no MSVC compiler, and
did not explicitly request the mingw tool, mingw tool initialization would fail and set the
default compiler to MSVC which wasn't installed, yielding broken build.
Updated mingw tool so that the generate and exists methods use the same mingw search paths
(issue #4134).
- Added user configurable setting of ninja depfile format. This helps in mingw environments
where the gcc/clang format might be used on windows.
IMPROVEMENTS
------------
- Verify that a user specified msvc script (via MSVC_USE_SCRIPT) exists and raise an
exception immediately when the user specified msvc script does not exist.
- Add cache-debug messages for push failures.
- Added ninja mingw support and improved ninja CommandGeneratorAction support.
- Command-line help is now sensitive to the size of the terminal window: the
width of the help text will scale for terminals other than 80 chars wide.
PACKAGING
---------
- Added project_url for mailing lists and Discord
- Updated setup.cfg to remove Python 3.5 and add Python 3.10
DOCUMENTATION
-------------
- List any significant changes to the documentation (not individual
typo fixes, even if they're mentioned in src/CHANGES.txt to give
the contributor credit)
DEVELOPMENT
-----------
- List visible changes in the way SCons is developed
Thanks to the following contributors listed below for their contributions to this release.
==========================================================================================
.. code-block:: text
git shortlog --no-merges -ns 4.3.0..HEAD
|
