#!/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 $DEFCONFIG = $ARGV[1]; ($DEFCONFIG and -f $DEFCONFIG) or die 'invalid config file'; my %config; open CONFIG, $DEFCONFIG or die 'cannot open config file'; while (<CONFIG>) { /^CONFIG_([\w_]+)=([ym])/ and $config{$1} = $2; /^CONFIG_([\w_]+)=(\d+)/ and $config{$1} = $2; /^CONFIG_([\w_]+)=(".+")/ and $config{$1} = $2; } close CONFIG; open FIND, "find \"$PATH\" -name Config.in |"; while (<FIND>) { chomp; my $input = $_; s/^$PATH\///g; s/sysdeps\/linux\///g; my $output = $_; print STDERR "$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+)/$1package\/busybox\/config\//; $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 = $config{$cur} or $c = 'n'; $line =~ s/^(\s*default\s*)(\w+|"[^"]*")(.*)/$1$c$3/; } } print OUTPUT $line; } close OUTPUT; close INPUT; } close FIND;