A new SCons checkpoint release, 2.0.0.beta.yyyymmdd, is now available on
the SCons download page:
The primary purpose of this release is to remove support for Python
versions prior to 2.4 and streamline the SCons code base using more
modern python idioms.
A SCons "checkpoint release" is intended to provide early access to
new features so they can be tested in the field before being released
for adoption by other software distributions.
Note that a checkpoint release is developed using the same test-driven
development methdology as all SCons releases. Existing SCons
functionality should all work as it does in previous releases (except
for any changes identified in the release notes) and early adopters
should be able to use a checkpoint release safely for production work
with existing SConscript files. If not, it represents not only a bug
in SCons but also a hole in the regression test suite, and we want to
hear about it.
New features may be more lightly tested than in past releases,
especially as concerns their interaction with all of the other
functionality in SCons. We are especially interested in hearing bug
reports about new functionality.
We do not recommend that downstream distributions (Debian, Fedora,
etc.) package a checkpoint release, mainly to avoid confusing the
"public" release numbering with the long checkpoint release names.
Here is a summary of the changes since 1.3:
All features or usages deprecated in 1.3 should have been removed.
Uses of formerly-deprecated features should get an error.
The BuildDir() method and the build_dir option now get warnings.
The SourceCode() function and its associated factory functions have
started their deprecation cycle and can have a warning enabled.
CHANGED/ENHANCED EXISTING FUNCTIONALITY
Any Command() or env.Command() calls that use the following Action
factory functions will have their targets rebuilt when upgrading
from any pre-2.0 release:
(The rebuild occurs because the underlying Python class that
implements these functions has been changed to a new-style Python
class, and that changes the Python byte code and therefore the
build signature of the functions.)
Thanks to Greg Noel, Steven Knight, Dirk Baechle, Bill Deegan and
W. Trevor King for their contributions to this release.
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