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-rw-r--r--scripts/kconfig/streamline_config.pl26
1 files changed, 24 insertions, 2 deletions
diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
index 5c1ce8761205..ab4985f7af79 100644
--- a/scripts/kconfig/streamline_config.pl
+++ b/scripts/kconfig/streamline_config.pl
@@ -113,6 +113,10 @@ sub find_config {
find_config;
+# Read in the entire config file into config_file
+my @config_file = <CIN>;
+close CIN;
+
# Parse options
my $localmodconfig = 0;
my $localyesconfig = 0;
@@ -392,7 +396,20 @@ foreach my $module (keys(%modules)) {
}
}
+# Read the current config, and see what is enabled. We want to
+# ignore configs that we would not enable anyway.
+
+my %orig_configs;
my $valid = "A-Za-z_0-9";
+
+foreach my $line (@config_file) {
+ $_ = $line;
+
+ if (/(CONFIG_[$valid]*)=(m|y)/) {
+ $orig_configs{$1} = $2;
+ }
+}
+
my $repeat = 1;
#
@@ -414,6 +431,11 @@ sub parse_config_dep_select
$p =~ s/^[^$valid]*[$valid]+//;
+ # We only need to process if the depend config is a module
+ if (!defined($orig_configs{$conf}) || !$orig_configs{conf} eq "m") {
+ next;
+ }
+
if (!defined($configs{$conf})) {
# We must make sure that this config has its
# dependencies met.
@@ -450,7 +472,8 @@ my %setconfigs;
# Finally, read the .config file and turn off any module enabled that
# we could not find a reason to keep enabled.
-while(<CIN>) {
+foreach my $line (@config_file) {
+ $_ = $line;
if (/CONFIG_IKCONFIG/) {
if (/# CONFIG_IKCONFIG is not set/) {
@@ -478,7 +501,6 @@ while(<CIN>) {
}
print;
}
-close(CIN);
# Integrity check, make sure all modules that we want enabled do
# indeed have their configs set.