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kconfig: Check for if conditions in Kconfig for localmodconfig

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The streamline_config.pl misses the if conditions for checking
dependencies. For Kconfigs with the following construct:

 if MEDIA_SUPPORT

 config VIDEO_DEV

 [...]

If VIDEO_DEV was enabled, the script will miss the fact that MEDIA_SUPPORT
is also needed.

This patch changes streamline_config.pl to include if conditions into
the dependencies of configs.

Reported-by: Anton Blanchard <anton@sambo.org>
Tested-by: Anton Blanchard <anton@sambo.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt 2010-01-06 17:56:12 -05:00 committed by Steven Rostedt
parent 17263baf95
commit 13d7e93856
1 changed files with 26 additions and 0 deletions
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26
scripts/kconfig/streamline_config.pl
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@ -121,6 +121,8 @@ my %prompts;
my %objects;
my $var;
my $cont = 0;
my $iflevel = 0;
my @ifdeps;
# prevent recursion
my %read_kconfigs;
@ -146,6 +148,15 @@ sub read_kconfig {
$state = "NEW";
$config = $1;
for (my $i = 0; $i < $iflevel; $i++) {
if ($i) {
$depends{$config} .= " " . $ifdeps[$i];
} else {
$depends{$config} = $ifdeps[$i];
}
$state = "DEP";
}
# collect the depends for the config
} elsif ($state eq "NEW" && /^\s*depends\s+on\s+(.*)$/) {
$state = "DEP";
@ -166,6 +177,21 @@ sub read_kconfig {
# note if the config has a prompt
$prompt{$config} = 1;
# Check for if statements
} elsif (/^if\s+(.*\S)\s*$/) {
my $deps = $1;
# remove beginning and ending non text
$deps =~ s/^[^a-zA-Z0-9_]*//;
$deps =~ s/[^a-zA-Z0-9_]*$//;
my @deps = split /[^a-zA-Z0-9_]+/, $deps;
$ifdeps[$iflevel++] = join ':', @deps;
} elsif (/^endif/) {
$iflevel-- if ($iflevel);
# stop on "help"
} elsif (/^\s*help\s*$/) {
$state = "NONE";