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#!/usr/bin/perl
#
# Copyright (C) 2006 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
use strict;
my $PATH = $ARGV[0];
($PATH and -d $PATH) or die 'invalid path';
my %config;
open FIND, "find \"$PATH\" -name Config.in |";
while (<FIND>) {
chomp;
my $input = $_;
my $output = $input;
my $replace = quotemeta($PATH);
$output =~ s/^$replace\///g;
$output =~ s/sysdeps\/linux\///g;
print STDERR "$input => $output\n";
$output =~ /^(.+)\/[^\/]+$/ and system("mkdir -p $1");
open INPUT, $input;
open OUTPUT, ">$output";
my ($cur, $default_set, $line);
while ($line = <INPUT>) {
next if $line =~ /^\s*mainmenu/;
# FIXME: make this dynamic
$line =~ s/default FEATURE_BUFFERS_USE_MALLOC/default FEATURE_BUFFERS_GO_ON_STACK/;
$line =~ s/default FEATURE_SH_IS_NONE/default FEATURE_SH_IS_ASH/;
if ($line =~ /^\s*config\s*([\w_]+)/) {
$cur = $1;
undef $default_set;
}
if ($line =~ /^\s*(menu|choice|end|source)/) {
undef $cur;
undef $default_set;
}
$line =~ s/^(\s*source\s+)([^\/]+\/)*([^\/]+\/[^\/]+)$/$1$3/;
if ($line =~ /^(\s*range\s*)(\w+)(\s+)(\w+)\s*$/) {
my $prefix = $1;
my $r1 = $2;
my $r2 = $4;
$r1 =~ s/^([a-zA-Z]+)/BUSYBOX_CONFIG_$1/;
$r2 =~ s/^([a-zA-Z]+)/BUSYBOX_CONFIG_$1/;
$line = "$prefix$r1 $r2\n";
}
$line =~ s/^(\s*(prompt "[^"]+" if|config|depends|depends on|select|default|default \w if)\s+\!?)([A-Z_])/$1BUSYBOX_CONFIG_$3/g;
$line =~ s/(( \|\| | \&\& | \( )!?)([A-Z_])/$1BUSYBOX_CONFIG_$3/g;
$line =~ s/(\( ?!?)([A-Z_]+ (\|\||&&))/$1BUSYBOX_CONFIG_$2/g;
if ($cur) {
($cur eq 'LFS') and do {
$line =~ s/^(\s*(bool|tristate|string))\s*".+"$/$1/;
};
if ($line =~ /^\s*default/) {
my $c;
$default_set = 1;
$c = "BUSYBOX_DEFAULT_$cur";
$line =~ s/^(\s*default\s*)(\w+|"[^"]*")(.*)/$1$c$3/;
}
}
print OUTPUT $line;
}
close OUTPUT;
close INPUT;
}
close FIND;
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