Changelog:
==========
- env.Dump() previously accepted a single optional "key" argument.
- SCons 4.8.0 added an __all__ specifier at the top of the Variables
module (Variables/__init__.py) to control what is made available in
a star import.
- Fix a problem with AppendUnique and PrependUnique where a value could
be erroneously removed due to a substring match.
- Fix handling of ListVariable when supplying a quoted choice containing
a space character
- On win32 platform, SCons 4.7.0 modified the determination
of the output encoding of piped processes.
- Improve wording of manpage "Functions and Environment Methods" section.
- Make doc function signature style more consistent - tweaks to AddOption,
DefaultEnvironment and Tool,.
- sctypes is_* functions given explicit return types.
(From OE-Core rev: dfecf06ffad1ba46e83668f1102a48b76a2dba45)
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>