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authorFelix Fietkau <nbd@openwrt.org>2010-01-28 19:27:43 +0000
committerFelix Fietkau <nbd@openwrt.org>2010-01-28 19:27:43 +0000
commit75e38a19cfab3a42fb225bb181b9aa652443dc31 (patch)
tree5967f3ed18e7f2ad18f7725d43e7e9d358b1c773
parent40b531f5d214748a9d0c1c5811f82c7dc18a093b (diff)
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kconfig.pl: fix handling of multiple kmod-* package referencing the same KCONFIG symbols
SVN-Revision: 19366
-rwxr-xr-xscripts/kconfig.pl32
1 files changed, 22 insertions, 10 deletions
diff --git a/scripts/kconfig.pl b/scripts/kconfig.pl
index c76e2978b2..7073e3b1ae 100755
--- a/scripts/kconfig.pl
+++ b/scripts/kconfig.pl
@@ -12,19 +12,32 @@ use strict;
my @arg;
my $PREFIX = "CONFIG_";
-sub load_config($) {
+sub set_config($$$$) {
+ my $config = shift;
+ my $idx = shift;
+ my $newval = shift;
+ my $mod_plus = shift;
+
+ if (!defined($config->{$idx}) or !$mod_plus or
+ $config->{$idx} eq '#undef' or $newval eq 'y') {
+ $config->{$idx} = $newval;
+ }
+}
+
+sub load_config($$) {
my $file = shift;
+ my $mod_plus = shift;
my %config;
open FILE, "$file" or die "can't open file";
while (<FILE>) {
chomp;
/^$PREFIX(.+?)=(.+)/ and do {
- $config{$1} = $2;
+ set_config(\%config, $1, $2, $mod_plus);
next;
};
/^# $PREFIX(.+?) is not set/ and do {
- $config{$1} = "#undef";
+ set_config(\%config, $1, "#undef", $mod_plus);
next;
};
/^#/ and next;
@@ -111,14 +124,13 @@ sub dump_config($) {
}
}
-sub parse_expr($);
-
-sub parse_expr($) {
+sub parse_expr {
my $pos = shift;
+ my $mod_plus = shift;
my $arg = $arg[$$pos++];
-
+
die "Parse error" if (!$arg);
-
+
if ($arg eq '&') {
my $arg1 = parse_expr($pos);
my $arg2 = parse_expr($pos);
@@ -129,7 +141,7 @@ sub parse_expr($) {
return config_add($arg1, $arg2, 0);
} elsif ($arg =~ /^m\+/) {
my $arg1 = parse_expr($pos);
- my $arg2 = parse_expr($pos);
+ my $arg2 = parse_expr($pos, 1);
return config_add($arg1, $arg2, 1);
} elsif ($arg eq '>') {
my $arg1 = parse_expr($pos);
@@ -140,7 +152,7 @@ sub parse_expr($) {
my $arg2 = parse_expr($pos);
return config_sub($arg1, $arg2);
} else {
- return load_config($arg);
+ return load_config($arg, $mod_plus);
}
}