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Kconfig updates for v4.17

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- improve checkpatch for more precise Kconfig code checking
 
 - clarify effective selects by grouping reverse dependencies in help
 
 - do not write out '# CONFIG_FOO is not set' from invisible symbols
 
 - make oldconfig as silent as it should be
 
 - rename 'silentoldconfig' to 'syncconfig'
 
 - add unit-test framework and several test cases
 
 - warn unmet dependency of tristate symbols
 
 - make unmet dependency warnings readable, removing false positives
 
 - improve recursive include detection
 
 - use yylineno to simplify the line number tracking
 
 - misc cleanups
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Merge tag 'kconfig-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kconfig updates from Masahiro Yamada:

 - improve checkpatch for more precise Kconfig code checking

 - clarify effective selects by grouping reverse dependencies in help

 - do not write out '# CONFIG_FOO is not set' from invisible symbols

 - make oldconfig as silent as it should be

 - rename 'silentoldconfig' to 'syncconfig'

 - add unit-test framework and several test cases

 - warn unmet dependency of tristate symbols

 - make unmet dependency warnings readable, removing false positives

 - improve recursive include detection

 - use yylineno to simplify the line number tracking

 - misc cleanups

* tag 'kconfig-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (30 commits)
  kconfig: use yylineno option instead of manual lineno increments
  kconfig: detect recursive inclusion earlier
  kconfig: remove duplicated file name and lineno of recursive inclusion
  kconfig: do not include both curses.h and ncurses.h for nconfig
  kconfig: make unmet dependency warnings readable
  kconfig: warn unmet direct dependency of tristate symbols selected by y
  kconfig: tests: test if recursive inclusion is detected
  kconfig: tests: test if recursive dependencies are detected
  kconfig: tests: test randconfig for choice in choice
  kconfig: tests: test defconfig when two choices interact
  kconfig: tests: check visibility of tristate choice values in y choice
  kconfig: tests: check unneeded "is not set" with unmet dependency
  kconfig: tests: test if new symbols in choice are asked
  kconfig: tests: test automatic submenu creation
  kconfig: tests: add basic choice tests
  kconfig: tests: add framework for Kconfig unit testing
  kbuild: add PYTHON2 and PYTHON3 variables
  kconfig: remove redundant streamline_config.pl prerequisite
  kconfig: rename silentoldconfig to syncconfig
  kconfig: invoke oldconfig instead of silentoldconfig from local*config
  ...
This commit is contained in:
Linus Torvalds 2018-04-03 16:28:01 -07:00
commit 147a89bc71
58 changed files with 1043 additions and 139 deletions
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21
scripts/checkpatch.pl
View file

@ -2797,7 +2797,10 @@ sub process {
# Only applies when adding the entry originally, after that we do not have
# sufficient context to determine whether it is indeed long enough.
if ($realfile =~ /Kconfig/ &&
$line =~ /^\+\s*config\s+/) {
# 'choice' is usually the last thing on the line (though
# Kconfig supports named choices), so use a word boundary
# (\b) rather than a whitespace character (\s)
$line =~ /^\+\s*(?:config|menuconfig|choice)\b/) {
my $length = 0;
my $cnt = $realcnt;
my $ln = $linenr + 1;
@ -2812,9 +2815,13 @@ sub process {
next if ($f =~ /^-/);
last if (!$file && $f =~ /^\@\@/);
if ($lines[$ln - 1] =~ /^\+\s*(?:bool|tristate)\s*\"/) {
if ($lines[$ln - 1] =~ /^\+\s*(?:bool|tristate|prompt)\s*["']/) {
$is_start = 1;
} elsif ($lines[$ln - 1] =~ /^\+\s*(?:---)?help(?:---)?$/) {
} elsif ($lines[$ln - 1] =~ /^\+\s*(?:help|---help---)\s*$/) {
if ($lines[$ln - 1] =~ "---help---") {
WARN("CONFIG_DESCRIPTION",
"prefer 'help' over '---help---' for new help texts\n" . $herecurr);
}
$length = -1;
}
@ -2822,7 +2829,13 @@ sub process {
$f =~ s/#.*//;
$f =~ s/^\s+//;
next if ($f =~ /^$/);
if ($f =~ /^\s*config\s/) {
# This only checks context lines in the patch
# and so hopefully shouldn't trigger false
# positives, even though some of these are
# common words in help texts
if ($f =~ /^\s*(?:config|menuconfig|choice|endchoice|
if|endif|menu|endmenu|source)\b/x) {
$is_end = 1;
last;
}