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authorSteven Rostedt <srostedt@redhat.com>2010-01-06 22:56:12 (GMT)
committerSteven Rostedt <rostedt@goodmis.org>2010-01-06 22:56:12 (GMT)
commit13d7e9385644d376a0816ad663ba3dfc45359f2f (patch)
treee0455cd16c1d24338f24d23214dd41e6aaa6347d /scripts
parent17263baf958b7ab1d8c60445f412a1080362c88c (diff)
kconfig: Check for if conditions in Kconfig for localmodconfig
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>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/kconfig/streamline_config.pl26
1 files changed, 26 insertions, 0 deletions
diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
index 0d80082..9e66fa8 100644
--- a/scripts/kconfig/streamline_config.pl
+++ b/scripts/kconfig/streamline_config.pl
@@ -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";

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