blob: 08189df95cb5f0bf9934909de24f54003dbc4420 (
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#!/usr/bin/env perl
use strict;
while (<>) {
my $match;
my $var;
my $val;
my $type;
chomp;
next if /^CONFIG_SIGNED_PACKAGES/;
if (/^CONFIG_((BINARY)|(DOWNLOAD))_FOLDER=(.*)$/) {
# We don't want to preserve the build setting of
# BINARY_FOLDER and DOWNLOAD_FOLDER.
$var = "$1_FOLDER";
$val = '""';
$type = "string";
} elsif (/^CONFIG_([^=]+)=(.*)$/) {
$var = $1;
$val = $2;
next if $var eq 'ALL';
if ($val eq 'y') {
$type = "bool";
} elsif ($val eq 'm') {
$type = "tristate";
} elsif ($val =~ /^".*"$/) {
$type = "string";
} elsif ($val =~ /^\d+$/) {
$type = "int";
} else {
warn "WARNING: no type found for symbol CONFIG_$var=$val\n";
next;
}
} elsif (/^# CONFIG_BUSYBOX_(.*) is not set/) {
$var = "BUSYBOX_$1";
$val = 'n';
$type = "bool";
} else {
# We don't want to preserve a record of deselecting
# packages because we may want build them in the SDK.
# non-package configs however may be important to preserve
# the same compilation settings for packages that get
# recompiled in the SDK.
# Also we want avoid preserving image generation settings
# because we set those while in ImageBuilder
next if /^(# )?CONFIG_PACKAGE/;
next if /^(# )?CONFIG_TARGET/;
if (/^# CONFIG_(.*) is not set/) {
$var = $1;
$val = 'n';
$type = "bool";
}
}
if (($var ne '') && ($type ne '') && ($val ne '')) {
print <<EOF;
config $var
$type
default $val
EOF
}
}
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