move host build in packages into a separate namespace: package/<name>/host/<target>
[openwrt/svn-archive/archive.git] / scripts / metadata.pl
index 1228679..3d9d68a 100755 (executable)
@@ -1,36 +1,58 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
+use FindBin;
+use lib "$FindBin::Bin";
 use strict;
-my %package;
-my %category;
+use metadata;
+
+my %board;
+
+sub confstr($) {
+       my $conf = shift;
+       $conf =~ tr#/\.\-/#___#;
+       return $conf;
+}
 
 sub parse_target_metadata() {
-       my ($target, @target, $profile);        
-       while (<>) {
+       my $file = shift @ARGV;
+       my ($target, @target, $profile);
+       my %target;
+
+       open FILE, "<$file" or do {
+               warn "Can't open file '$file': $!\n";
+               return;
+       };
+       while (<FILE>) {
                chomp;
-               /^Target:\s*((.+)-(\d+\.\d+))\s*$/ and do {
-                       my $conf = uc $3.'_'.$2;
-                       $conf =~ tr/\.-/__/;
+               /^Target:\s*(.+)\s*$/ and do {
+                       my $name = $1;
                        $target = {
-                               id => $1,
-                               conf => $conf,
-                               board => $2,
-                               kernel => $3,
-                               profiles => []
+                               id => $name,
+                               board => $name,
+                               boardconf => confstr($name),
+                               conf => confstr($name),
+                               profiles => [],
+                               features => [],
+                               depends => [],
+                               subtargets => []
                        };
                        push @target, $target;
+                       $target{$name} = $target;
+                       if ($name =~ /([^\/]+)\/([^\/]+)/) {
+                               push @{$target{$1}->{subtargets}}, $2;
+                               $target->{board} = $1;
+                               $target->{boardconf} = confstr($1);
+                               $target->{subtarget} = 1;
+                               $target->{parent} = $target{$1};
+                       }
                };
+               /^Target-Kernel:\s*(\d+\.\d+)\s*$/ and $target->{kernel} = $1;
                /^Target-Name:\s*(.+)\s*$/ and $target->{name} = $1;
                /^Target-Path:\s*(.+)\s*$/ and $target->{path} = $1;
                /^Target-Arch:\s*(.+)\s*$/ and $target->{arch} = $1;
                /^Target-Features:\s*(.+)\s*$/ and $target->{features} = [ split(/\s+/, $1) ];
-               /^Target-Description:/ and do {
-                       my $desc;
-                       while (<>) {
-                               last if /^@@/;
-                               $desc .= $_;
-                       }
-                       $target->{desc} = $desc;
-               };
+               /^Target-Depends:\s*(.+)\s*$/ and $target->{depends} = [ split(/\s+/, $1) ];
+               /^Target-Description:/ and $target->{desc} = get_multiline(*FILE);
+               /^Target-Optimization:\s*(.+)\s*$/ and $target->{cflags} = $1;
                /^Linux-Version:\s*(.+)\s*$/ and $target->{version} = $1;
                /^Linux-Release:\s*(.+)\s*$/ and $target->{release} = $1;
                /^Linux-Kernel-Arch:\s*(.+)\s*$/ and $target->{karch} = $1;
@@ -45,17 +67,13 @@ sub parse_target_metadata() {
                };
                /^Target-Profile-Name:\s*(.+)\s*$/ and $profile->{name} = $1;
                /^Target-Profile-Packages:\s*(.*)\s*$/ and $profile->{packages} = [ split(/\s+/, $1) ];
-               /^Target-Profile-Description:/ and do {
-                       my $desc;
-                       while (<>) {
-                               last if /^@@/;
-                               $desc .= $_;
-                       }
-                       $profile->{desc} = $desc;
-               };
+               /^Target-Profile-Description:\s*(.*)\s*/ and $profile->{desc} = get_multiline(*FILE);
+               /^Target-Profile-Config:/ and $profile->{config} = get_multiline(*FILE, "\t");
                /^Target-Profile-Kconfig:/ and $profile->{kconfig} = 1;
        }
+       close FILE;
        foreach my $target (@target) {
+               next if @{$target->{subtargets}} > 0;
                @{$target->{profiles}} > 0 or $target->{profiles} = [
                        {
                                id => 'Default',
@@ -67,110 +85,66 @@ sub parse_target_metadata() {
        return @target;
 }
 
-sub parse_package_metadata() {
-       my $pkg;
-       my $makefile;
-       my $src;
-       while (<>) {
-               chomp;
-               /^Source-Makefile: \s*(.+\/([^\/]+)\/Makefile)\s*$/ and do {
-                       $makefile = $1;
-                       $src = $2;
-                       undef $pkg;
-               };
-               /^Package: \s*(.+)\s*$/ and do {
-                       $pkg = {};
-                       $pkg->{src} = $src;
-                       $pkg->{makefile} = $makefile;
-                       $pkg->{name} = $1;
-                       $pkg->{default} = "m if ALL";
-                       $package{$1} = $pkg;
-               };
-               /^Version: \s*(.+)\s*$/ and $pkg->{version} = $1;
-               /^Title: \s*(.+)\s*$/ and $pkg->{title} = $1;
-               /^Menu: \s*(.+)\s*$/ and $pkg->{menu} = $1;
-               /^Submenu: \s*(.+)\s*$/ and $pkg->{submenu} = $1;
-               /^Submenu-Depends: \s*(.+)\s*$/ and $pkg->{submenudep} = $1;
-               /^Default: \s*(.+)\s*$/ and $pkg->{default} = $1;
-               /^Provides: \s*(.+)\s*$/ and do {
-                       my @vpkg = split /\s+/, $1;
-                       foreach my $vpkg (@vpkg) {
-                               $package{$vpkg} or $package{$vpkg} = { vdepends => [] };
-                               push @{$package{$vpkg}->{vdepends}}, $pkg->{name};
-                       }
-               };
-               /^Depends: \s*(.+)\s*$/ and do {
-                       my @dep = split /\s+/, $1;
-                       $pkg->{depends} = \@dep;
-               };
-               /^Category: \s*(.+)\s*$/ and do {
-                       $pkg->{category} = $1;
-                       defined $category{$1} or $category{$1} = {};
-                       defined $category{$1}->{$src} or $category{$1}->{$src} = [];
-                       push @{$category{$1}->{$src}}, $pkg;
-               };
-               /^Description: \s*(.*)\s*$/ and do {
-                       my $desc = "\t\t$1\n\n";
-                       my $line;
-                       while ($line = <>) {
-                               last if $line =~ /^@@/;
-                               $desc .= "\t\t$line";
+sub gen_kconfig_overrides() {
+       my %config;
+       my %kconfig;
+       my $package;
+       my $pkginfo = shift @ARGV;
+       my $cfgfile = shift @ARGV;
+
+       # parameter 2: build system config
+       open FILE, "<$cfgfile" or return;
+       while (<FILE>) {
+               /^(CONFIG_.+?)=(.+)$/ and $config{$1} = 1;
+       }
+       close FILE;
+
+       # parameter 1: package metadata
+       open FILE, "<$pkginfo" or return;
+       while (<FILE>) {
+               /^Package:\s*(.+?)\s*$/ and $package = $1;
+               /^Kernel-Config:\s*(.+?)\s*$/ and do {
+                       my @config = split /\s+/, $1;
+                       foreach my $config (@config) {
+                               my $val = 'm';
+                               my $override;
+                               if ($config =~ /^(.+?)=(.+)$/) {
+                                       $config = $1;
+                                       $override = 1;
+                                       $val = $2;
+                               }
+                               if ($config{"CONFIG_PACKAGE_$package"} and ($config ne 'n')) {
+                                       $kconfig{$config} = $val;
+                               } elsif (!$override) {
+                                       $kconfig{$config} or $kconfig{$config} = 'n';
+                               }
                        }
-                       $pkg->{description} = $desc;
                };
-               /^Config: \s*(.*)\s*$/ and do {
-                       my $conf = "$1\n";
-                       my $line;
-                       while ($line = <>) {
-                               last if $line =~ /^@@/;
-                               $conf .= "$line";
-                       }
-                       $pkg->{config} = $conf;
+       };
+       close FILE;
+
+       foreach my $kconfig (sort keys %kconfig) {
+               if ($kconfig{$kconfig} eq 'n') {
+                       print "# $kconfig is not set\n";
+               } else {
+                       print "$kconfig=$kconfig{$kconfig}\n";
                }
        }
-       return %category;
 }
 
+sub merge_package_lists($$) {
+       my $list1 = shift;
+       my $list2 = shift;
+       my @l = ();
+       my %pkgs;
 
-sub gen_target_mk() {
-       my @target = parse_target_metadata();
-       
-       @target = sort {
-               $a->{id} cmp $b->{id}
-       } @target;
-       
-       foreach my $target (@target) {
-               my ($profiles_def, $profiles_eval);
-               my $conf = uc $target->{kernel}.'_'.$target->{board};
-               $conf =~ tr/\.-/__/;
-               
-               foreach my $profile (@{$target->{profiles}}) {
-                       $profiles_def .= "
-  define Profile/$conf\_$profile->{id}
-    ID:=$profile->{id}
-    NAME:=$profile->{name}
-    PACKAGES:=".join(" ", @{$profile->{packages}})."\n";
-                       $profile->{kconfig} and $profiles_def .= "    KCONFIG:=1\n";
-                       $profiles_def .= "  endef";
-                       $profiles_eval .= "
-\$(eval \$(call AddProfile,$conf\_$profile->{id}))"
-               }
-               print "
-ifeq (\$(CONFIG_LINUX_$conf),y)
-  define Target
-    KERNEL:=$target->{kernel}
-    BOARD:=$target->{board}
-    BOARDNAME:=$target->{name}
-    LINUX_VERSION:=$target->{version}
-    LINUX_RELEASE:=$target->{release}
-    LINUX_KARCH:=$target->{karch}
-    DEFAULT_PACKAGES:=".join(" ", @{$target->{packages}})."
-  endef$profiles_def
-endif$profiles_eval
-
-"
-       }
-       print "\$(eval \$(call Target))\n";
+       foreach my $pkg (@$list1, @$list2) {
+               $pkgs{$pkg} = 1;
+       }
+       foreach my $pkg (keys %pkgs) {
+               push @l, $pkg unless ($pkg =~ /^-/ or $pkgs{"-$pkg"});
+       }
+       return sort(@l);
 }
 
 sub target_config_features(@) {
@@ -178,157 +152,234 @@ sub target_config_features(@) {
 
        while ($_ = shift @_) {
                /broken/ and $ret .= "\tdepends BROKEN\n";
+               /display/ and $ret .= "\tselect DISPLAY_SUPPORT\n";
+               /gpio/ and $ret .= "\tselect GPIO_SUPPORT\n";
                /pci/ and $ret .= "\tselect PCI_SUPPORT\n";
                /usb/ and $ret .= "\tselect USB_SUPPORT\n";
-               /atm/ and $ret .= "\tselect ATM_SUPPORT\n";
                /pcmcia/ and $ret .= "\tselect PCMCIA_SUPPORT\n";
-               /video/ and $ret .= "\tselect VIDEO_SUPPORT\n";
                /squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
                /jffs2/ and $ret .= "\tselect USES_JFFS2\n";
                /ext2/ and $ret .= "\tselect USES_EXT2\n";
+               /tgz/ and $ret .= "\tselect USES_TGZ\n";
+               /cpiogz/ and $ret .= "\tselect USES_CPIOGZ\n";
+               /fpu/ and $ret .= "\tselect HAS_FPU\n";
        }
        return $ret;
 }
 
+sub target_name($) {
+       my $target = shift;
+       my $parent = $target->{parent};
+       if ($parent) {
+               return $target->{parent}->{name}." - ".$target->{name};
+       } else {
+               return $target->{name};
+       }
+}
+
+sub kver($) {
+       my $v = shift;
+       $v =~ tr/\./_/;
+       $v =~ /(\d+_\d+_\d+)(_\d+)?/ and $v = $1;
+       return $v;
+}
+
+sub print_target($) {
+       my $target = shift;
+       my $features = target_config_features(@{$target->{features}});
+       my $help = $target->{desc};
+       my $kernel = $target->{kernel};
+       my $confstr;
+       $kernel =~ tr/./_/;
+
+       chomp $features;
+       $features .= "\n";
+       if ($help =~ /\w+/) {
+               $help =~ s/^\s*/\t  /mg;
+               $help = "\thelp\n$help";
+       } else {
+               undef $help;
+       }
+
+       my $v = kver($target->{version});
+       if (@{$target->{subtargets}} == 0) {
+       $confstr = <<EOF;
+config TARGET_$target->{conf}
+       bool "$target->{name}"
+       select LINUX_$kernel
+       select LINUX_$v
+EOF
+       }
+       else {
+               $confstr = <<EOF;
+config TARGET_$target->{conf}
+       bool "$target->{name}"
+EOF
+       }
+       if ($target->{subtarget}) {
+               $confstr .= "\tdepends TARGET_$target->{boardconf}\n";
+       }
+       if (@{$target->{subtargets}} > 0) {
+               $confstr .= "\tselect HAS_SUBTARGETS\n";
+       } else {
+               $confstr .= "\tselect $target->{arch}\n";
+               foreach my $dep (@{$target->{depends}}) {
+                       my $mode = "depends";
+                       my $flags;
+                       my $name;
+
+                       $dep =~ /^([@\+\-]+)(.+)$/;
+                       $flags = $1;
+                       $name = $2;
+
+                       next if $name =~ /:/;
+                       $flags =~ /-/ and $mode = "deselect";
+                       $flags =~ /\+/ and $mode = "select";
+                       $flags =~ /@/ and $confstr .= "\t$mode $name\n";
+               }
+               $confstr .= $features;
+       }
+
+       $confstr .= "$help\n\n";
+       print $confstr;
+}
 
 sub gen_target_config() {
        my @target = parse_target_metadata();
+       my %defaults;
 
-       @target = sort {
-               $a->{name} cmp $b->{name}
+       my @target_sort = sort {
+               target_name($a) cmp target_name($b);
        } @target;
-       
-       
+
+
        print <<EOF;
 choice
        prompt "Target System"
-       default LINUX_2_4_BRCM
-       reset
+       default TARGET_brcm_2_4
+       reset if !DEVEL
        
 EOF
 
-       foreach my $target (@target) {
-               my $features = target_config_features(@{$target->{features}});
-               my $help = $target->{desc};
-               my $kernel = $target->{kernel};
-               $kernel =~ tr/./_/;
-
-               chomp $features;
-               $features .= "\n";
-               if ($help =~ /\w+/) {
-                       $help =~ s/^\s*/\t  /mg;
-                       $help = "\thelp\n$help";
-               } else {
-                       undef $help;
-               }
-       
-               print <<EOF
-config LINUX_$target->{conf}
-       bool "$target->{name}"
-       select $target->{arch}
-       select LINUX_$kernel
-$features$help
-
-EOF
+       foreach my $target (@target_sort) {
+               next if $target->{subtarget};
+               print_target($target);
        }
 
        print <<EOF;
-if DEVEL
-
-config LINUX_2_6_ARM
-       bool "UNSUPPORTED little-endian arm platform"
-       depends BROKEN
-       select LINUX_2_6
-       select arm
-
-config LINUX_2_6_CRIS
-       bool "UNSUPPORTED cris platform"
-       depends BROKEN
-       select LINUX_2_6
-       select cris
-
-config LINUX_2_6_M68K
-       bool "UNSUPPORTED m68k platform"
-       depends BROKEN
-       select LINUX_2_6
-       select m68k
-
-config LINUX_2_6_SH3
-       bool "UNSUPPORTED little-endian sh3 platform"
-       depends BROKEN
-       select LINUX_2_6
-       select sh3
-
-config LINUX_2_6_SH3EB
-       bool "UNSUPPORTED big-endian sh3 platform"
-       depends BROKEN
-       select LINUX_2_6
-       select sh3eb
-
-config LINUX_2_6_SH4
-       bool "UNSUPPORTED little-endian sh4 platform"
-       depends BROKEN
-       select LINUX_2_6
-       select sh4
-
-config LINUX_2_6_SH4EB
-       bool "UNSUPPORTED big-endian sh4 platform"
-       depends BROKEN
-       select LINUX_2_6
-       select sh4eb
-
-config LINUX_2_6_SPARC
-       bool "UNSUPPORTED sparc platform"
-       depends BROKEN
-       select LINUX_2_6
-       select sparc
+endchoice
 
-endif
+choice
+       prompt "Subtarget" if HAS_SUBTARGETS
 
+EOF
+       foreach my $target (@target) {
+               next unless $target->{subtarget};
+               print_target($target);
+       }
+
+print <<EOF;
 endchoice
 
 choice
        prompt "Target Profile"
 
 EOF
-       
+
        foreach my $target (@target) {
                my $profiles = $target->{profiles};
-               
+
                foreach my $profile (@$profiles) {
                        print <<EOF;
-config LINUX_$target->{conf}_$profile->{id}
+config TARGET_$target->{conf}_$profile->{id}
        bool "$profile->{name}"
-       depends LINUX_$target->{conf}
+       depends TARGET_$target->{conf}
+$profile->{config}
 EOF
                        $profile->{kconfig} and print "\tselect PROFILE_KCONFIG\n";
-                       my %pkgs;
-                       foreach my $pkg (@{$target->{packages}}, @{$profile->{packages}}) {
-                               $pkgs{$pkg} = 1;
+                       my @pkglist = merge_package_lists($target->{packages}, $profile->{packages});
+                       foreach my $pkg (@pkglist) {
+                               print "\tselect DEFAULT_$pkg\n";
+                               $defaults{$pkg} = 1;
                        }
-                       foreach my $pkg (keys %pkgs) {
-                               print "\tselect DEFAULT_$pkg\n" unless ($pkg =~ /^-/ or $pkgs{"-$pkg"});
+                       my $help = $profile->{desc};
+                       if ($help =~ /\w+/) {
+                               $help =~ s/^\s*/\t  /mg;
+                               $help = "\thelp\n$help";
+                       } else {
+                               undef $help;
                        }
-                       print "\n";
+                       print "$help\n";
                }
        }
 
-       print "endchoice\n";
+       print <<EOF;
+endchoice
+
+config HAS_SUBTARGETS
+       bool
+
+config TARGET_BOARD
+       string
+
+EOF
+       foreach my $target (@target) {
+               $target->{subtarget} or print "\t\tdefault \"".$target->{board}."\" if TARGET_".$target->{conf}."\n";
+       }
+       print <<EOF;
+
+config DEFAULT_TARGET_OPTIMIZATION
+       string
+EOF
+       foreach my $target (@target) {
+               next if @{$target->{subtargets}} > 0;
+               print "\tdefault \"".$target->{cflags}."\" if TARGET_".$target->{conf}."\n";
+       }
+       print "\tdefault \"-Os -pipe -funit-at-a-time\"\n";
+
+       my %kver;
+       foreach my $target (@target) {
+               my $v = kver($target->{version});
+               next if $kver{$v};
+               $kver{$v} = 1;
+               print <<EOF;
+
+config LINUX_$v
+       bool
+
+EOF
+       }
+       foreach my $def (sort keys %defaults) {
+               print "\tconfig DEFAULT_".$def."\n";
+               print "\t\tbool\n\n";
+       }
 }
 
-sub find_package_dep($$) {
+my %dep_check;
+sub __find_package_dep($$) {
        my $pkg = shift;
        my $name = shift;
        my $deps = ($pkg->{vdepends} or $pkg->{depends});
 
        return 0 unless defined $deps;
        foreach my $dep (@{$deps}) {
+               next if $dep_check{$dep};
+               $dep_check{$dep} = 1;
                return 1 if $dep eq $name;
-               return 1 if ($package{$dep} and (find_package_dep($package{$dep},$name) == 1));
+               return 1 if ($package{$dep} and (__find_package_dep($package{$dep},$name) == 1));
        }
        return 0;
 }
 
+# wrapper to avoid infinite recursion
+sub find_package_dep($$) {
+       my $pkg = shift;
+       my $name = shift;
+
+       %dep_check = ();
+       return __find_package_dep($pkg, $name);
+}
+
 sub package_depends($$) {
        my $a = shift;
        my $b = shift;
@@ -345,10 +396,16 @@ sub package_depends($$) {
        return $ret;
 }
 
-sub mconf_depends($$) {
+sub mconf_depends {
+       my $pkgname = shift;
        my $depends = shift;
        my $only_dep = shift;
        my $res;
+       my $dep = shift;
+       my $seen = shift;
+       my $parent_condition = shift;
+       $dep or $dep = {};
+       $seen or $seen = {};
 
        $depends or return;
        my @depends = @$depends;
@@ -357,22 +414,47 @@ sub mconf_depends($$) {
                $depend =~ s/^([@\+]+)//;
                my $flags = $1;
                my $vdep;
-       
+               my $condition;
+
+               if ($depend =~ /^(.+):(.+)$/) {
+                       if ($1 ne "PACKAGE_$pkgname") {
+                               if ($parent_condition) {
+                                       $condition = "$parent_condition && $1";
+                               } else {
+                                       $condition = $1;
+                               }
+                       }
+                       $depend = $2;
+               }
+               next if $seen->{$depend};
+               next if $package{$depend} and $package{$depend}->{buildonly};
+               $seen->{$depend} = 1;
                if ($vdep = $package{$depend}->{vdepends}) {
                        $depend = join("||", map { "PACKAGE_".$_ } @$vdep);
                } else {
                        $flags =~ /\+/ and do {
-                               next if $only_dep;
-                               $m = "select";
-
                                # Menuconfig will not treat 'select FOO' as a real dependency
                                # thus if FOO depends on other config options, these dependencies
                                # will not be checked. To fix this, we simply emit all of FOO's
                                # depends here as well.
-                               $package{$depend} and $res .= mconf_depends($package{$depend}->{depends}, 1);
+                               $package{$depend} and mconf_depends($pkgname, $package{$depend}->{depends}, 1, $dep, $seen, $condition);
+
+                               $m = "select";
+                               next if $only_dep;
                        };
                        $flags =~ /@/ or $depend = "PACKAGE_$depend";
+                       if ($condition) {
+                               if ($m =~ /select/) {
+                                       $depend = "$depend if $condition";
+                               } else {
+                                       $depend = "!($condition) || $depend";
+                               }
+                       }
                }
+               $dep->{$depend} =~ /select/ or $dep->{$depend} = $m;
+       }
+       foreach my $depend (keys %$dep) {
+               my $m = $dep->{$depend};
                $res .= "\t\t$m $depend\n";
        }
        return $res;
@@ -382,14 +464,15 @@ sub print_package_config_category($) {
        my $cat = shift;
        my %menus;
        my %menu_dep;
-       
+
        return unless $category{$cat};
-       
+
        print "menu \"$cat\"\n\n";
        my %spkg = %{$category{$cat}};
-       
+
        foreach my $spkg (sort {uc($a) cmp uc($b)} keys %spkg) {
                foreach my $pkg (@{$spkg{$spkg}}) {
+                       next if $pkg->{buildonly};
                        my $menu = $pkg->{submenu};
                        if ($menu) {
                                $menu_dep{$menu} or $menu_dep{$menu} = $pkg->{submenudep};
@@ -398,8 +481,6 @@ sub print_package_config_category($) {
                        }
                        $menus{$menu} or $menus{$menu} = [];
                        push @{$menus{$menu}}, $pkg;
-                       print "\tconfig DEFAULT_".$pkg->{name}."\n";
-                       print "\t\tbool\n\n";
                }
        }
        my @menus = sort {
@@ -426,12 +507,12 @@ sub print_package_config_category($) {
                        print "\t";
                        $pkg->{menu} and print "menu";
                        print "config PACKAGE_".$pkg->{name}."\n";
-                       print "\t\ttristate \"$title\"\n";
+                       print "\t\t".($pkg->{tristate} ? 'tristate' : 'bool')." \"$title\"\n";
                        print "\t\tdefault y if DEFAULT_".$pkg->{name}."\n";
                        foreach my $default (split /\s*,\s*/, $pkg->{default}) {
                                print "\t\tdefault $default\n";
                        }
-                       print mconf_depends($pkg->{depends}, 0);
+                       print mconf_depends($pkg->{name}, $pkg->{depends}, 0);
                        print "\t\thelp\n";
                        print $pkg->{description};
                        print "\n";
@@ -444,30 +525,241 @@ sub print_package_config_category($) {
                }
        }
        print "endmenu\n\n";
-       
+
        undef $category{$cat};
 }
 
 sub gen_package_config() {
-       parse_package_metadata();
+       parse_package_metadata($ARGV[0]) or exit 1;
+       print "menuconfig UCI_PRECONFIG\n\tbool \"Image configuration\"\n" if %preconfig;
+       foreach my $preconfig (keys %preconfig) {
+               foreach my $cfg (keys %{$preconfig{$preconfig}}) {
+                       my $conf = $preconfig{$preconfig}->{$cfg}->{id};
+                       $conf =~ tr/\.-/__/;
+                       print <<EOF
+       config UCI_PRECONFIG_$conf
+               string "$preconfig{$preconfig}->{$cfg}->{label}" if UCI_PRECONFIG
+               depends PACKAGE_$preconfig
+               default "$preconfig{$preconfig}->{$cfg}->{default}"
+
+EOF
+               }
+       }
        print_package_config_category 'Base system';
        foreach my $cat (keys %category) {
                print_package_config_category $cat;
        }
 }
 
+sub get_conditional_dep($$) {
+       my $condition = shift;
+       my $depstr = shift;
+       if ($condition) {
+               if ($condition =~ /^!(.+)/) {
+                       return "\$(if \$(CONFIG_$1),,$depstr)";
+               } else {
+                       return "\$(if \$(CONFIG_$condition),$depstr)";
+               }
+       } else {
+               return $depstr;
+       }
+}
+
+sub gen_package_mk() {
+       my %conf;
+       my %dep;
+       my %done;
+       my $line;
+
+       parse_package_metadata($ARGV[0]) or exit 1;
+       foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
+               my $config;
+               my $pkg = $package{$name};
+               my @srcdeps;
+
+               next if defined $pkg->{vdepends};
+
+               if ($ENV{SDK}) {
+                       $conf{$pkg->{src}} or do {
+                               $config = 'm';
+                               $conf{$pkg->{src}} = 1;
+                       };
+               } else {
+                       $config = "\$(CONFIG_PACKAGE_$name)"
+               }
+               if ($config) {
+                       $pkg->{buildonly} and $config = "";
+                       print "package-$config += $pkg->{subdir}$pkg->{src}\n";
+                       $pkg->{prereq} and print "prereq-$config += $pkg->{subdir}$pkg->{src}\n";
+               }
+
+               next if $done{$pkg->{src}};
+               $done{$pkg->{src}} = 1;
+
+               if (@{$pkg->{buildtypes}} > 0) {
+                       print "buildtypes-$pkg->{subdir}$pkg->{src} = ".join(' ', @{$pkg->{buildtypes}})."\n";
+               }
+
+               foreach my $spkg (@{$srcpackage{$pkg->{src}}}) {
+                       foreach my $dep (@{$spkg->{depends}}, @{$spkg->{builddepends}}) {
+                               $dep =~ /@/ or do {
+                                       $dep =~ s/\+//g;
+                                       push @srcdeps, $dep;
+                               };
+                       }
+               }
+               foreach my $type (@{$pkg->{buildtypes}}) {
+                       my @extra_deps;
+                       my %deplines;
+
+                       next unless $pkg->{"builddepends/$type"};
+                       foreach my $dep (@{$pkg->{"builddepends/$type"}}) {
+                               my $suffix = "";
+                               my $condition;
+
+                               if ($dep =~ /^(.+):(.+)/) {
+                                       $condition = $1;
+                                       $dep = $2;
+                               }
+                               if ($dep =~ /^(.+)(\/.+)/) {
+                                       $dep = $1;
+                                       $suffix = $2;
+                               }
+                               my $pkg_dep = $package{$dep};
+                               next unless $pkg_dep;
+
+                               my $idx = "";
+                               if (defined $pkg_dep->{src}) {
+                                       $idx = $pkg_dep->{subdir}.$pkg_dep->{src};
+                               } elsif (defined($srcpackage{$dep})) {
+                                       $idx = $subdir{$dep}.$dep;
+                               }
+                               my $depstr = "\$(curdir)/$idx$suffix/compile";
+                               my $depline = get_conditional_dep($condition, $depstr);
+                               if ($depline) {
+                                       $deplines{$dep} = $depline;
+                               }
+                       }
+                       my $depline = join(" ", values %deplines);
+                       if ($depline) {
+                               $line .= "\$(curdir)/".$pkg->{subdir}."$pkg->{src}/$type/compile += $depline\n";
+                       }
+               }
+
+               my $hasdeps = 0;
+               my %deplines;
+               foreach my $deps (@srcdeps) {
+                       my $idx;
+                       my $condition;
+                       my $prefix = "";
+                       my $suffix = "";
+
+                       if ($deps =~ /^(.+):(.+)/) {
+                               $condition = $1;
+                               $deps = $2;
+                       }
+                       if ($deps =~ /^(.+)(\/.+)/) {
+                               $deps = $1;
+                               $suffix = $2;
+                       }
+
+                       my $pkg_dep = $package{$deps};
+                       my @deps;
+
+                       if ($pkg_dep->{vdepends}) {
+                               @deps = @{$pkg_dep->{vdepends}};
+                       } else {
+                               @deps = ($deps);
+                       }
+
+                       foreach my $dep (@deps) {
+                               $pkg_dep = $package{$deps};
+                               if (defined $pkg_dep->{src}) {
+                                       ($pkg->{src} ne $pkg_dep->{src}) and $idx = $pkg_dep->{subdir}.$pkg_dep->{src};
+                               } elsif (defined($srcpackage{$dep})) {
+                                       $idx = $subdir{$dep}.$dep;
+                               }
+                               undef $idx if $idx =~ /^(kernel)|(base-files)$/;
+                               if ($idx) {
+                                       my $depline;
+                                       next if $pkg->{src} eq $pkg_dep->{src};
+                                       next if $dep{$pkg->{src}."->".$idx};
+                                       next if $dep{$pkg->{src}."->($dep)".$idx} and $pkg_dep->{vdepends};
+                                       my $depstr;
+
+                                       if ($pkg_dep->{vdepends}) {
+                                               $depstr = "\$(if \$(CONFIG_PACKAGE_$dep),\$(curdir)/$idx$suffix/compile)";
+                                               $dep{$pkg->{src}."->($dep)".$idx} = 1;
+                                       } else {
+                                               $depstr = "\$(curdir)/$idx$suffix/compile";
+                                               $dep{$pkg->{src}."->".$idx} = 1;
+                                       }
+                                       $depline = get_conditional_dep($condition, $depstr);
+                                       if ($depline) {
+                                               $deplines{$idx.$dep} = $depline;
+                                       }
+                               }
+                       }
+               }
+               my $depline = join(" ", values %deplines);
+               if ($depline) {
+                       $line .= "\$(curdir)/".$pkg->{subdir}."$pkg->{src}/compile += $depline\n";
+               }
+       }
+
+       if ($line ne "") {
+               print "\n$line";
+       }
+       foreach my $preconfig (keys %preconfig) {
+               my $cmds;
+               foreach my $cfg (keys %{$preconfig{$preconfig}}) {
+                       my $conf = $preconfig{$preconfig}->{$cfg}->{id};
+                       $conf =~ tr/\.-/__/;
+                       $cmds .= "\techo \"uci set '$preconfig{$preconfig}->{$cfg}->{id}=\$(subst \",,\$(CONFIG_UCI_PRECONFIG_$conf))'\"; \\\n";
+               }
+               next unless $cmds;
+               print <<EOF
+
+\$(TARGET_DIR)/etc/uci-defaults/$preconfig: FORCE
+       ( \\
+$cmds \\
+       ) > \$@
+       
+ifneq (\$(UCI_PRECONFIG)\$(CONFIG_UCI_PRECONFIG),)
+  package/preconfig: \$(TARGET_DIR)/etc/uci-defaults/$preconfig
+endif
+EOF
+       }
+}
+
+sub gen_package_source() {
+       parse_package_metadata($ARGV[0]) or exit 1;
+       foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
+               my $pkg = $package{$name};
+               if ($pkg->{name} && $pkg->{source}) {
+                       print "$pkg->{name}: ";
+                       print "$pkg->{source}\n";
+               }
+       }
+}
+
 sub parse_command() {
        my $cmd = shift @ARGV;
        for ($cmd) {
-               /^target_mk$/ and return gen_target_mk();
                /^target_config$/ and return gen_target_config();
+               /^package_mk$/ and return gen_package_mk();
                /^package_config$/ and return gen_package_config();
+               /^kconfig/ and return gen_kconfig_overrides();
+               /^package_source$/ and return gen_package_source();
        }
        print <<EOF
 Available Commands:
-       $0 target_mk [file]             Target metadata in makefile format
        $0 target_config [file]         Target metadata in Kconfig format
+       $0 package_mk [file]            Package metadata in makefile format
        $0 package_config [file]        Package metadata in Kconfig format
+       $0 kconfig [file] [config]      Kernel config overrides
+       $0 package_source [file]        Package source file information
+
 EOF
 }