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Fixes:
- c880151 ("Fix incorrectly ordered properties for some nested
multi.def. symbols") fixes a bug that could cause symbols/choices
defined in multiple locations and nested in particular ways within
if's and menus to get their properties in the wrong order.
The Linux kernel wasn't affected (which is how it managed to slip
through), but projects that make heavy use of symbols defined in
multiple locations might have been. Comprehensive selftests have
been added to cover property ordering on nested multi.def.
symbols/choices.
New features:
- 4af3e0c ("menuconfig: Support starting a search from the info
dialog") and 330017a ("menuconfig: Support viewing symbol info from
within the jump-to dialog") makes working with the menuconfig a bit
smoother to work with.
- 68043b2 ("Add MenuNode function that returns referenced items")
makes it easier to find out what symbols/choices a symbol, choice,
menu, or comment references, which is handy e.g. for searching.
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Also move the description of the Kconfig extensions out of 'Other features' and into
a separate section under 'Library features'.
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Just to fix the rendering of the README on PyPI with commit b727f4d
("Fix link to allyesconfig.py in README").
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No longer just an example either.
This also makes the README render properly on PyPI.
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Explain the soon-to-be-bundled tools.
Also rearrange and clean up some sections.
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To-be-packaged scripts now live in the root.
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All the packaged code will appear in the root.
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Should probably move the screenshots out into a separate section soon.
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When show-all mode is enabled, all items in the current menu are shown,
including promptless and invisible items. Promptless items are shown
with their name within <> brackets in place of the prompt.
This will make it possible to jump to invisible items once the jump-to
feature is added. It is also a handy feature on its own.
.config loading from within the interface will make use of it as well,
in case the current menu becomes complete invisible.
Piggyback various code cleanups. Rename _visible* to _shown*, as it now
includes invisible items in show-all mode.
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New features:
- ed3ceaa ("Make warnings available in a list")
API changes:
- 8983f7e ("Make disable_warnings() disable all warnings")
This is a minor API behavior change, so the major version is bumped.
It's unlikely to break anything people were depending on.
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4.2.1 should have been 4.3.0. That was not a bugfix release. Braino.
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New features:
- 105c835 ("Add helper for splitting expressions")
- 509e374 ("Add Choice.direct_dep field")
A terminal menuconfig implementation has been added which relies on
these features.
Other improvements:
- c1c5ef2 ("Print a warning for malformed .config lines")
- 09b8c58 ("Give filename and context for UnicodeDecodeError")
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To avoid confusing it with the new terminal menuconfig implementation.
Clean up the README a bit at the same time, removing some stuff that's
less essential now (e.g. the menuconfig_example.py "screenshot").
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Uses the 'curses' module, which is in the Python standard library. Only
Python 3 is supported, mostly due to Unicode support.
Windows support is provided through an external package which adds
support for the 'curses' module on Windows.
See the changes and the docstring in the newly added menuconfig.py for
more information.
Piggyback a README notes mentioning that Kconfiglib supports Unicode.
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New features and improvements:
- 7245bad ("Parenthesize && expressions within || expressions")
makes expressions more readable.
- 2259d35 ("Generalize is_menuconfig to non-symbol items")
can simplify menuconfig implementations.
- c7ac6f8 ("Add parent deps to the right in _T_IF") makes parent
dependencies consistently appear on the right in expressions, with
the outermost parent dependency the furthest to the right.
New warnings:
- 7ba79ca ("Warn if user (.config) value is outside of 'range'")
- 225ec4b ("Warn if a choice symbol is selected or implied")
Some obscure false positive warnings for named choices were fixed too.
This came up in
https://github.com/zephyrproject-rtos/zephyr/issues/6948.
- e8408a0 ("Move sanity checking to after _finalize_tree()")
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Works like menuconfig.py, but just dumps the tree, with a specified
.config file as base. Handy for diffing.
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Only adds daac69d ("Add a globbing source statement").
'gource' doubles as an include-if-exists function.
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A menuconfig implementation built on top of Kconfiglib using TkInter.
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Includes a small API behavior change, hence the major version bump:
- db63301 ("Return "" for unwritten symbols in Symbol.config_string")
New features:
- Support for incremental builds using the same scheme as the
include/config/ directory in the C tools. See the new
Kconfig.sync_deps() function and commit 378dedc ("Add support for
incremental builds").
- Minimal configuration (defconfig) writing, generating identical files
to the C implementation. See commit 652f11b ("Add minimal
configuration file generation support").
The C 'make savedefconfig' implementation is currently broken in
obscure cases involving tristate choices (due to broken invalidation
code), so the tests are disabled for now. I have a patch for the C
implementation that I will submit.
Fixes:
- user_value wasn't set for choice symbols set to y via load_config()
with replace=True. Fixed by commit 0bd841d ("Properly remember y user
values for choice symbols"). Didn't affect correctness, only the API.
Other changes:
- 778ec47 ("Only write '# CONFIG_FOO is not set' for visible symbols")
mirrors a change I made to the C tools.
- bbe3ae9 ("Do not write the defconfig_list symbol to .config") mirrors
another change made to the C tools.
- Misc. refactoring and cleanup.
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Works like 'make savedefconfig' in the C tools. Call it
write_min_config() rather than write_defconfig() to be a bit more
explicit.
Add a test similar to test_defconfig that compares Kconfiglib minimal
configuration output against the C implementation, for all defconfig
files.
Disable the tests for now. The C tools have a bug that causes an
incorrect configuration to be generated for tristate choices in some
cases. They will be re-enabled once those are fixed.
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This mirrors a change I made to the C tools, which is now in linux-next:
https://www.spinics.net/lists/linux-kbuild/msg17074.html.
Add a note to the README to make it clear that the test suite now needs
to be run against recent kernels in order to pass.
Copy-pasted commit message from the C tools commit below:
=== Background ===
- Visible n-valued bool/tristate symbols generate a
'# CONFIG_FOO is not set' line in the .config file. The idea is to
remember the user selection without having to set a Makefile
variable. Having n correspond to the variable being undefined in the
Makefiles makes for easy CONFIG_* tests.
- Invisible n-valued bool/tristate symbols normally do not generate a
'# CONFIG_FOO is not set' line, because user values from .config
files have no effect on invisible symbols anyway.
Currently, there is one exception to this rule: Any bool/tristate symbol
that gets the value n through a 'default' property generates a
'# CONFIG_FOO is not set' line, even if the symbol is invisible.
Note that this only applies to explicitly given defaults, and not when
the symbol implicitly defaults to n (like bool/tristate symbols without
'default' properties do).
This is inconsistent, and seems redundant:
- As mentioned, the '# CONFIG_FOO is not set' won't affect the symbol
once the .config is read back in.
- Even if the symbol is invisible at first but becomes visible later,
there shouldn't be any harm in recalculating the default value
rather than viewing the '# CONFIG_FOO is not set' as a previous
user value of n.
=== Changes ===
Change sym_calc_value() to only set SYMBOL_WRITE (write to .config) for
non-n-valued 'default' properties.
Note that SYMBOL_WRITE is always set for visible symbols regardless of whether
they have 'default' properties or not, so this change only affects invisible
symbols.
This reduces the size of the x86 .config on my system by about 1% (due
to removed '# CONFIG_FOO is not set' entries).
One side effect of (and the main motivation for) this change is making
the following two definitions behave exactly the same:
config FOO
bool
config FOO
bool
default n
With this change, neither of these will generate a
'# CONFIG_FOO is not set' line (assuming FOO isn't selected/implied).
That might make it clearer to people that a bare 'default n' is
redundant.
This change only affects generated .config files and not autoconf.h:
autoconf.h only includes #defines for non-n bool/tristate symbols.
=== Testing ===
The following testing was done with the x86 Kconfigs:
- .config files generated before and after the change were compared to
verify that the only difference is some '# CONFIG_FOO is not set'
entries disappearing. A couple of these were inspected manually, and
most turned out to be from redundant 'default n/def_bool n'
properties.
- The generated include/generated/autoconf.h was compared before and
after the change and verified to be identical.
- As a sanity check, the same modification was done to Kconfiglib.
The Kconfiglib test suite was then run to check for any mismatches
against the output of the C implementation.
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Implement a scheme from the C tools where symbols get corresponding
files that are touch'ed whenever the symbol's value changes. This can be
used to add e.g. Makefile dependencies between source files and
particular symbols.
See the docstring of the new sync_deps() function for more information.
Piggyback a small sanity check for write_autoconf().
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Adds a Kconfig extension contributed by RomaVis: aea0232 ("Implement
'rsource' statement ('source' with relative path)").
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Only includes 2a88c0c ("Include direct deps. in
Symbol/Choice.__str__()").
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Might've sounded a bit snarky -- wasn't meant to.
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- Only includes e8b4ecb ("Don't special-case user_value for choice
symbols set to y").
Since that's a tiny change to the behavior of the API, the major version
is bumped.
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Just adds f66cd71 ("Allow "n"/"m"/"y" as aliases for 0/1/2 in
set_value()").
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Implements the standard 'make oldconfig' functionality, prompting the
user for the values of new symbols to update an old .config file.
This came up in
https://github.com/zephyrproject-rtos/zephyr/issues/5426.
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Does a global search over all architectures in the kernel, which should
avoid false positives.
Referencing an undefined symbol in a particular architecture can be fine
in a Kconfig file that's shared by multiple architectures, but if the
symbol isn't defined by any architecture, it's likely to be an error (or
a potential cleanup).
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This release tightens up syntax checking and adds all the warnings
generated by the C implementation (plus a few extra ones), making
Kconfiglib more viable as a replacement for the C tools, rather than
just being an auxiliary library.
Syntax checking changes:
- a84848b ("Tighten up syntax checking")
- 8716316 ("Generate a parse error for extra tokens at EOL")
- 416083a ("Flag constant symbols where they're not allowed")
Warning changes:
- 9c309400 ("Add some post-parsing warnings")
- da0bfa3a ("Error out for malformed hex/int/string defaults")
- 5d2041a9 ("Add more choice type and prompt sanity checks")
- 67f825fc ("Warn if there's more than one help text")
- 990c780f ("Add some warnings related to selects and implies")
- 7432ade8 ("Warn if a symbol is defined with multiple types")
- 5eeea863 ("Improve int/hex sanity checking")
- ad94bb45 ("Sanity-check range values")
- e930c140 ("Warn if a symbol/choice has multiple prompts")
- 60d12911 ("Warn if help text is empty")
- d43d2e83 ("Warn if menuconfig statement has no prompt")
- 3db12f72 ("Warn if a choice symbol has defaults")
- 0eadd61c ("Warn if choice symbol has prompt outside choice")
Also includes various code nits.
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The empty-help warning is pretty spammy at the moment.
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