scripts/metadata.pl

   1 #!/usr/bin/env perl
   2 use FindBin;
   3 use lib "$FindBin::Bin";
   4 use strict;
   5 use metadata;
   6
   7 my %board;
   8
   9 sub confstr($) {
  10         my $conf = shift;
  11         $conf =~ tr#/\.\-/#___#;
  12         return $conf;
  13 }
  14
  15 sub parse_target_metadata() {
  16         my $file = shift @ARGV;
  17         my ($target, @target, $profile);
  18         my %target;
  19
  20         open FILE, "<$file" or do {
  21                 warn "Can't open file '$file': $!\n";
  22                 return;
  23         };
  24         while (<FILE>) {
  25                 chomp;
  26                 /^Target:\s*(.+)\s*$/ and do {
  27                         my $name = $1;
  28                         $target = {
  29                                 id => $name,
  30                                 board => $name,
  31                                 boardconf => confstr($name),
  32                                 conf => confstr($name),
  33                                 profiles => [],
  34                                 features => [],
  35                                 depends => [],
  36                                 subtargets => []
  37                         };
  38                         push @target, $target;
  39                         $target{$name} = $target;
  40                         if ($name =~ /([^\/]+)\/([^\/]+)/) {
  41                                 push @{$target{$1}->{subtargets}}, $2;
  42                                 $target->{board} = $1;
  43                                 $target->{boardconf} = confstr($1);
  44                                 $target->{subtarget} = 1;
  45                                 $target->{parent} = $target{$1};
  46                         }
  47                 };
  48                 /^Target-Kernel:\s*(\d+\.\d+)\s*$/ and $target->{kernel} = $1;
  49                 /^Target-Name:\s*(.+)\s*$/ and $target->{name} = $1;
  50                 /^Target-Path:\s*(.+)\s*$/ and $target->{path} = $1;
  51                 /^Target-Arch:\s*(.+)\s*$/ and $target->{arch} = $1;
  52                 /^Target-Features:\s*(.+)\s*$/ and $target->{features} = [ split(/\s+/, $1) ];
  53                 /^Target-Depends:\s*(.+)\s*$/ and $target->{depends} = [ split(/\s+/, $1) ];
  54                 /^Target-Description:/ and $target->{desc} = get_multiline(*FILE);
  55                 /^Target-Optimization:\s*(.+)\s*$/ and $target->{cflags} = $1;
  56                 /^Linux-Version:\s*(.+)\s*$/ and $target->{version} = $1;
  57                 /^Linux-Release:\s*(.+)\s*$/ and $target->{release} = $1;
  58                 /^Linux-Kernel-Arch:\s*(.+)\s*$/ and $target->{karch} = $1;
  59                 /^Default-Packages:\s*(.+)\s*$/ and $target->{packages} = [ split(/\s+/, $1) ];
  60                 /^Target-Profile:\s*(.+)\s*$/ and do {
  61                         $profile = {
  62                                 id => $1,
  63                                 name => $1,
  64                                 packages => []
  65                         };
  66                         push @{$target->{profiles}}, $profile;
  67                 };
  68                 /^Target-Profile-Name:\s*(.+)\s*$/ and $profile->{name} = $1;
  69                 /^Target-Profile-Packages:\s*(.*)\s*$/ and $profile->{packages} = [ split(/\s+/, $1) ];
  70                 /^Target-Profile-Description:\s*(.*)\s*/ and $profile->{desc} = get_multiline(*FILE);
  71                 /^Target-Profile-Config:/ and $profile->{config} = get_multiline(*FILE, "\t");
  72                 /^Target-Profile-Kconfig:/ and $profile->{kconfig} = 1;
  73         }
  74         close FILE;
  75         foreach my $target (@target) {
  76                 next if @{$target->{subtargets}} > 0;
  77                 @{$target->{profiles}} > 0 or $target->{profiles} = [
  78                         {
  79                                 id => 'Default',
  80                                 name => 'Default',
  81                                 packages => []
  82                         }
  83                 ];
  84         }
  85         return @target;
  86 }
  87
  88 sub gen_kconfig_overrides() {
  89         my %config;
  90         my %kconfig;
  91         my $package;
  92         my $pkginfo = shift @ARGV;
  93         my $cfgfile = shift @ARGV;
  94
  95         # parameter 2: build system config
  96         open FILE, "<$cfgfile" or return;
  97         while (<FILE>) {
  98                 /^(CONFIG_.+?)=(.+)$/ and $config{$1} = 1;
  99         }
 100         close FILE;
 101
 102         # parameter 1: package metadata
 103         open FILE, "<$pkginfo" or return;
 104         while (<FILE>) {
 105                 /^Package:\s*(.+?)\s*$/ and $package = $1;
 106                 /^Kernel-Config:\s*(.+?)\s*$/ and do {
 107                         my @config = split /\s+/, $1;
 108                         foreach my $config (@config) {
 109                                 my $val = 'm';
 110                                 my $override;
 111                                 if ($config =~ /^(.+?)=(.+)$/) {
 112                                         $config = $1;
 113                                         $override = 1;
 114                                         $val = $2;
 115                                 }
 116                                 if ($config{"CONFIG_PACKAGE_$package"} and ($config ne 'n')) {
 117                                         $kconfig{$config} = $val;
 118                                 } elsif (!$override) {
 119                                         $kconfig{$config} or $kconfig{$config} = 'n';
 120                                 }
 121                         }
 122                 };
 123         };
 124         close FILE;
 125
 126         foreach my $kconfig (sort keys %kconfig) {
 127                 if ($kconfig{$kconfig} eq 'n') {
 128                         print "# $kconfig is not set\n";
 129                 } else {
 130                         print "$kconfig=$kconfig{$kconfig}\n";
 131                 }
 132         }
 133 }
 134
 135 sub merge_package_lists($$) {
 136         my $list1 = shift;
 137         my $list2 = shift;
 138         my @l = ();
 139         my %pkgs;
 140
 141         foreach my $pkg (@$list1, @$list2) {
 142                 $pkgs{$pkg} = 1;
 143         }
 144         foreach my $pkg (keys %pkgs) {
 145                 push @l, $pkg unless ($pkg =~ /^-/ or $pkgs{"-$pkg"});
 146         }
 147         return sort(@l);
 148 }
 149
 150 sub target_config_features(@) {
 151         my $ret;
 152
 153         while ($_ = shift @_) {
 154                 /broken/ and $ret .= "\tdepends BROKEN\n";
 155                 /display/ and $ret .= "\tselect DISPLAY_SUPPORT\n";
 156                 /gpio/ and $ret .= "\tselect GPIO_SUPPORT\n";
 157                 /pci/ and $ret .= "\tselect PCI_SUPPORT\n";
 158                 /pcie/ and $ret .= "\tselect PCIE_SUPPORT\n";
 159                 /usb/ and $ret .= "\tselect USB_SUPPORT\n";
 160                 /pcmcia/ and $ret .= "\tselect PCMCIA_SUPPORT\n";
 161                 /squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
 162                 /jffs2/ and $ret .= "\tselect USES_JFFS2\n";
 163                 /ext2/ and $ret .= "\tselect USES_EXT2\n";
 164                 /tgz/ and $ret .= "\tselect USES_TGZ\n";
 165                 /cpiogz/ and $ret .= "\tselect USES_CPIOGZ\n";
 166                 /fpu/ and $ret .= "\tselect HAS_FPU\n";
 167                 /ramdisk/ and $ret .= "\tselect USES_INITRAMFS\n";
 168                 /powerpc64/ and $ret .= "\tselect powerpc64\n";
 169                 /nommu/ and $ret .= "\tselect NOMMU\n";
 170         }
 171         return $ret;
 172 }
 173
 174 sub target_name($) {
 175         my $target = shift;
 176         my $parent = $target->{parent};
 177         if ($parent) {
 178                 return $target->{parent}->{name}." - ".$target->{name};
 179         } else {
 180                 return $target->{name};
 181         }
 182 }
 183
 184 sub kver($) {
 185         my $v = shift;
 186         $v =~ tr/\./_/;
 187         $v =~ /(\d+_\d+_\d+)(_\d+)?/ and $v = $1;
 188         return $v;
 189 }
 190
 191 sub print_target($) {
 192         my $target = shift;
 193         my $features = target_config_features(@{$target->{features}});
 194         my $help = $target->{desc};
 195         my $kernel = $target->{kernel};
 196         my $confstr;
 197         $kernel =~ tr/./_/;
 198
 199         chomp $features;
 200         $features .= "\n";
 201         if ($help =~ /\w+/) {
 202                 $help =~ s/^\s*/\t  /mg;
 203                 $help = "\thelp\n$help";
 204         } else {
 205                 undef $help;
 206         }
 207
 208         my $v = kver($target->{version});
 209         if (@{$target->{subtargets}} == 0) {
 210         $confstr = <<EOF;
 211 config TARGET_$target->{conf}
 212         bool "$target->{name}"
 213         select LINUX_$kernel
 214         select LINUX_$v
 215 EOF
 216         }
 217         else {
 218                 $confstr = <<EOF;
 219 config TARGET_$target->{conf}
 220         bool "$target->{name}"
 221 EOF
 222         }
 223         if ($target->{subtarget}) {
 224                 $confstr .= "\tdepends TARGET_$target->{boardconf}\n";
 225         }
 226         if (@{$target->{subtargets}} > 0) {
 227                 $confstr .= "\tselect HAS_SUBTARGETS\n";
 228         }
 229
 230         if ($target->{arch} =~ /\w/) {
 231                 $confstr .= "\tselect $target->{arch}\n";
 232         }
 233         foreach my $dep (@{$target->{depends}}) {
 234                 my $mode = "depends";
 235                 my $flags;
 236                 my $name;
 237
 238                 $dep =~ /^([@\+\-]+)(.+)$/;
 239                 $flags = $1;
 240                 $name = $2;
 241
 242                 next if $name =~ /:/;
 243                 $flags =~ /-/ and $mode = "deselect";
 244                 $flags =~ /\+/ and $mode = "select";
 245                 $flags =~ /@/ and $confstr .= "\t$mode $name\n";
 246         }
 247         $confstr .= $features;
 248         $confstr .= "$help\n\n";
 249         print $confstr;
 250 }
 251
 252 sub gen_target_config() {
 253         my @target = parse_target_metadata();
 254         my %defaults;
 255
 256         my @target_sort = sort {
 257                 target_name($a) cmp target_name($b);
 258         } @target;
 259
 260
 261         print <<EOF;
 262 choice
 263         prompt "Target System"
 264         default TARGET_brcm_2_4
 265         reset if !DEVEL
 266
 267 EOF
 268
 269         foreach my $target (@target_sort) {
 270                 next if $target->{subtarget};
 271                 print_target($target);
 272         }
 273
 274         print <<EOF;
 275 endchoice
 276
 277 choice
 278         prompt "Subtarget" if HAS_SUBTARGETS
 279
 280 EOF
 281         foreach my $target (@target) {
 282                 next unless $target->{subtarget};
 283                 print_target($target);
 284         }
 285
 286 print <<EOF;
 287 endchoice
 288
 289 choice
 290         prompt "Target Profile"
 291
 292 EOF
 293
 294         foreach my $target (@target) {
 295                 my $profiles = $target->{profiles};
 296
 297                 foreach my $profile (@$profiles) {
 298                         print <<EOF;
 299 config TARGET_$target->{conf}_$profile->{id}
 300         bool "$profile->{name}"
 301         depends TARGET_$target->{conf}
 302 $profile->{config}
 303 EOF
 304                         $profile->{kconfig} and print "\tselect PROFILE_KCONFIG\n";
 305                         my @pkglist = merge_package_lists($target->{packages}, $profile->{packages});
 306                         foreach my $pkg (@pkglist) {
 307                                 print "\tselect DEFAULT_$pkg\n";
 308                                 $defaults{$pkg} = 1;
 309                         }
 310                         my $help = $profile->{desc};
 311                         if ($help =~ /\w+/) {
 312                                 $help =~ s/^\s*/\t  /mg;
 313                                 $help = "\thelp\n$help";
 314                         } else {
 315                                 undef $help;
 316                         }
 317                         print "$help\n";
 318                 }
 319         }
 320
 321         print <<EOF;
 322 endchoice
 323
 324 config HAS_SUBTARGETS
 325         bool
 326
 327 config TARGET_BOARD
 328         string
 329
 330 EOF
 331         foreach my $target (@target) {
 332                 $target->{subtarget} or print "\t\tdefault \"".$target->{board}."\" if TARGET_".$target->{conf}."\n";
 333         }
 334         print <<EOF;
 335
 336 config DEFAULT_TARGET_OPTIMIZATION
 337         string
 338 EOF
 339         foreach my $target (@target) {
 340                 next if @{$target->{subtargets}} > 0;
 341                 print "\tdefault \"".$target->{cflags}."\" if TARGET_".$target->{conf}."\n";
 342         }
 343         print "\tdefault \"-Os -pipe -funit-at-a-time\"\n";
 344
 345         my %kver;
 346         foreach my $target (@target) {
 347                 my $v = kver($target->{version});
 348                 next if $kver{$v};
 349                 $kver{$v} = 1;
 350                 print <<EOF;
 351
 352 config LINUX_$v
 353         bool
 354
 355 EOF
 356         }
 357         foreach my $def (sort keys %defaults) {
 358                 print "\tconfig DEFAULT_".$def."\n";
 359                 print "\t\tbool\n\n";
 360         }
 361 }
 362
 363 my %dep_check;
 364 sub __find_package_dep($$) {
 365         my $pkg = shift;
 366         my $name = shift;
 367         my $deps = ($pkg->{vdepends} or $pkg->{depends});
 368
 369         return 0 unless defined $deps;
 370         foreach my $dep (@{$deps}) {
 371                 next if $dep_check{$dep};
 372                 $dep_check{$dep} = 1;
 373                 return 1 if $dep eq $name;
 374                 return 1 if ($package{$dep} and (__find_package_dep($package{$dep},$name) == 1));
 375         }
 376         return 0;
 377 }
 378
 379 # wrapper to avoid infinite recursion
 380 sub find_package_dep($$) {
 381         my $pkg = shift;
 382         my $name = shift;
 383
 384         %dep_check = ();
 385         return __find_package_dep($pkg, $name);
 386 }
 387
 388 sub package_depends($$) {
 389         my $a = shift;
 390         my $b = shift;
 391         my $ret;
 392
 393         return 0 if ($a->{submenu} ne $b->{submenu});
 394         if (find_package_dep($a, $b->{name}) == 1) {
 395                 $ret = 1;
 396         } elsif (find_package_dep($b, $a->{name}) == 1) {
 397                 $ret = -1;
 398         } else {
 399                 return 0;
 400         }
 401         return $ret;
 402 }
 403
 404 sub mconf_depends {
 405         my $pkgname = shift;
 406         my $depends = shift;
 407         my $only_dep = shift;
 408         my $res;
 409         my $dep = shift;
 410         my $seen = shift;
 411         my $parent_condition = shift;
 412         $dep or $dep = {};
 413         $seen or $seen = {};
 414
 415         $depends or return;
 416         my @depends = @$depends;
 417         foreach my $depend (@depends) {
 418                 my $m = "depends";
 419                 my $flags = "";
 420                 $depend =~ s/^([@\+]+)// and $flags = $1;
 421                 my $vdep;
 422                 my $condition = $parent_condition;
 423
 424                 if ($depend =~ /^(.+):(.+)$/) {
 425                         if ($1 ne "PACKAGE_$pkgname") {
 426                                 if ($condition) {
 427                                         $condition = "$condition && $1";
 428                                 } else {
 429                                         $condition = $1;
 430                                 }
 431                         }
 432                         $depend = $2;
 433                 }
 434                 next if $seen->{$depend};
 435                 next if $package{$depend} and $package{$depend}->{buildonly};
 436                 $seen->{$depend} = 1;
 437                 if ($vdep = $package{$depend}->{vdepends}) {
 438                         $depend = join("||", map { "PACKAGE_".$_ } @$vdep);
 439                 } else {
 440                         $flags =~ /\+/ and do {
 441                                 # Menuconfig will not treat 'select FOO' as a real dependency
 442                                 # thus if FOO depends on other config options, these dependencies
 443                                 # will not be checked. To fix this, we simply emit all of FOO's
 444                                 # depends here as well.
 445                                 $package{$depend} and mconf_depends($pkgname, $package{$depend}->{depends}, 1, $dep, $seen, $condition);
 446
 447                                 $m = "select";
 448                                 next if $only_dep;
 449                         };
 450                         $flags =~ /@/ or $depend = "PACKAGE_$depend";
 451                         if ($condition) {
 452                                 if ($m =~ /select/) {
 453                                         $depend = "$depend if $condition";
 454                                 } else {
 455                                         $depend = "!($condition) || $depend";
 456                                 }
 457                         }
 458                 }
 459                 $dep->{$depend} =~ /select/ or $dep->{$depend} = $m;
 460         }
 461         foreach my $depend (keys %$dep) {
 462                 my $m = $dep->{$depend};
 463                 $res .= "\t\t$m $depend\n";
 464         }
 465         return $res;
 466 }
 467
 468 sub print_package_config_category($) {
 469         my $cat = shift;
 470         my %menus;
 471         my %menu_dep;
 472
 473         return unless $category{$cat};
 474
 475         print "menu \"$cat\"\n\n";
 476         my %spkg = %{$category{$cat}};
 477
 478         foreach my $spkg (sort {uc($a) cmp uc($b)} keys %spkg) {
 479                 foreach my $pkg (@{$spkg{$spkg}}) {
 480                         next if $pkg->{buildonly};
 481                         my $menu = $pkg->{submenu};
 482                         if ($menu) {
 483                                 $menu_dep{$menu} or $menu_dep{$menu} = $pkg->{submenudep};
 484                         } else {
 485                                 $menu = 'undef';
 486                         }
 487                         $menus{$menu} or $menus{$menu} = [];
 488                         push @{$menus{$menu}}, $pkg;
 489                 }
 490         }
 491         my @menus = sort {
 492                 ($a eq 'undef' ?  1 : 0) or
 493                 ($b eq 'undef' ? -1 : 0) or
 494                 ($a cmp $b)
 495         } keys %menus;
 496
 497         foreach my $menu (@menus) {
 498                 my @pkgs = sort {
 499                         package_depends($a, $b) or
 500                         ($a->{name} cmp $b->{name})
 501                 } @{$menus{$menu}};
 502                 if ($menu ne 'undef') {
 503                         $menu_dep{$menu} and print "if $menu_dep{$menu}\n";
 504                         print "menu \"$menu\"\n";
 505                 }
 506                 foreach my $pkg (@pkgs) {
 507                         my $title = $pkg->{name};
 508                         my $c = (72 - length($pkg->{name}) - length($pkg->{title}));
 509                         if ($c > 0) {
 510                                 $title .= ("." x $c). " ". $pkg->{title};
 511                         }
 512                         print "\t";
 513                         $pkg->{menu} and print "menu";
 514                         print "config PACKAGE_".$pkg->{name}."\n";
 515                         print "\t\t".($pkg->{tristate} ? 'tristate' : 'bool')." \"$title\"\n";
 516                         print "\t\tdefault y if DEFAULT_".$pkg->{name}."\n";
 517                         foreach my $default (split /\s*,\s*/, $pkg->{default}) {
 518                                 print "\t\tdefault $default\n";
 519                         }
 520                         print mconf_depends($pkg->{name}, $pkg->{depends}, 0);
 521                         print "\t\thelp\n";
 522                         print $pkg->{description};
 523                         print "\n";
 524
 525                         $pkg->{config} and print $pkg->{config}."\n";
 526                 }
 527                 if ($menu ne 'undef') {
 528                         print "endmenu\n";
 529                         $menu_dep{$menu} and print "endif\n";
 530                 }
 531         }
 532         print "endmenu\n\n";
 533
 534         undef $category{$cat};
 535 }
 536
 537 sub print_package_features() {
 538         keys %features > 0 or return;
 539         print "menu \"Package features\"\n";
 540         foreach my $n (keys %features) {
 541                 my @features = sort { $b->{priority} <=> $a->{priority} or $a->{title} cmp $b->{title} } @{$features{$n}};
 542                 print <<EOF;
 543 choice
 544         prompt "$features[0]->{target_title}"
 545         default FEATURE_$features[0]->{name}
 546 EOF
 547
 548                 foreach my $feature (@features) {
 549                         print <<EOF;
 550         config FEATURE_$feature->{name}
 551                 bool "$feature->{title}"
 552 EOF
 553                         $feature->{description} =~ /\w/ and do {
 554                                 print "\t\thelp\n".$feature->{description}."\n";
 555                         };
 556                 }
 557                 print "endchoice\n"
 558         }
 559         print "endmenu\n\n";
 560 }
 561
 562 sub gen_package_config() {
 563         parse_package_metadata($ARGV[0]) or exit 1;
 564         print "menuconfig UCI_PRECONFIG\n\tbool \"Image configuration\"\n" if %preconfig;
 565         foreach my $preconfig (keys %preconfig) {
 566                 foreach my $cfg (keys %{$preconfig{$preconfig}}) {
 567                         my $conf = $preconfig{$preconfig}->{$cfg}->{id};
 568                         $conf =~ tr/\.-/__/;
 569                         print <<EOF
 570         config UCI_PRECONFIG_$conf
 571                 string "$preconfig{$preconfig}->{$cfg}->{label}" if UCI_PRECONFIG
 572                 depends PACKAGE_$preconfig
 573                 default "$preconfig{$preconfig}->{$cfg}->{default}"
 574
 575 EOF
 576                 }
 577         }
 578         print_package_features();
 579         print_package_config_category 'Base system';
 580         foreach my $cat (keys %category) {
 581                 print_package_config_category $cat;
 582         }
 583 }
 584
 585 sub get_conditional_dep($$) {
 586         my $condition = shift;
 587         my $depstr = shift;
 588         if ($condition) {
 589                 if ($condition =~ /^!(.+)/) {
 590                         return "\$(if \$(CONFIG_$1),,$depstr)";
 591                 } else {
 592                         return "\$(if \$(CONFIG_$condition),$depstr)";
 593                 }
 594         } else {
 595                 return $depstr;
 596         }
 597 }
 598
 599 sub gen_package_mk() {
 600         my %conf;
 601         my %dep;
 602         my %done;
 603         my $line;
 604
 605         parse_package_metadata($ARGV[0]) or exit 1;
 606         foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
 607                 my $config;
 608                 my $pkg = $package{$name};
 609                 my @srcdeps;
 610
 611                 next if defined $pkg->{vdepends};
 612
 613                 if ($ENV{SDK}) {
 614                         $conf{$pkg->{src}} or do {
 615                                 $config = 'm';
 616                                 $conf{$pkg->{src}} = 1;
 617                         };
 618                 } else {
 619                         $config = "\$(CONFIG_PACKAGE_$name)"
 620                 }
 621                 if ($config) {
 622                         $pkg->{buildonly} and $config = "";
 623                         print "package-$config += $pkg->{subdir}$pkg->{src}\n";
 624                         if ($pkg->{variant}) {
 625                                 print "\$(curdir)/$pkg->{subdir}$pkg->{src}/variants += \$(if $config,$pkg->{variant})\n"
 626                         }
 627                         $pkg->{prereq} and print "prereq-$config += $pkg->{subdir}$pkg->{src}\n";
 628                 }
 629
 630                 next if $done{$pkg->{src}};
 631                 $done{$pkg->{src}} = 1;
 632
 633                 if (@{$pkg->{buildtypes}} > 0) {
 634                         print "buildtypes-$pkg->{subdir}$pkg->{src} = ".join(' ', @{$pkg->{buildtypes}})."\n";
 635                 }
 636
 637                 foreach my $spkg (@{$srcpackage{$pkg->{src}}}) {
 638                         foreach my $dep (@{$spkg->{depends}}, @{$spkg->{builddepends}}) {
 639                                 $dep =~ /@/ or do {
 640                                         $dep =~ s/\+//g;
 641                                         push @srcdeps, $dep;
 642                                 };
 643                         }
 644                 }
 645                 foreach my $type (@{$pkg->{buildtypes}}) {
 646                         my @extra_deps;
 647                         my %deplines;
 648
 649                         next unless $pkg->{"builddepends/$type"};
 650                         foreach my $dep (@{$pkg->{"builddepends/$type"}}) {
 651                                 my $suffix = "";
 652                                 my $condition;
 653
 654                                 if ($dep =~ /^(.+):(.+)/) {
 655                                         $condition = $1;
 656                                         $dep = $2;
 657                                 }
 658                                 if ($dep =~ /^(.+)(\/.+)/) {
 659                                         $dep = $1;
 660                                         $suffix = $2;
 661                                 }
 662                                 my $pkg_dep = $package{$dep};
 663                                 next unless $pkg_dep;
 664
 665                                 my $idx = "";
 666                                 if (defined $pkg_dep->{src}) {
 667                                         $idx = $pkg_dep->{subdir}.$pkg_dep->{src};
 668                                 } elsif (defined($srcpackage{$dep})) {
 669                                         $idx = $subdir{$dep}.$dep;
 670                                 }
 671                                 my $depstr = "\$(curdir)/$idx$suffix/compile";
 672                                 my $depline = get_conditional_dep($condition, $depstr);
 673                                 if ($depline) {
 674                                         $deplines{$dep} = $depline;
 675                                 }
 676                         }
 677                         my $depline = join(" ", values %deplines);
 678                         if ($depline) {
 679                                 $line .= "\$(curdir)/".$pkg->{subdir}."$pkg->{src}/$type/compile += $depline\n";
 680                         }
 681                 }
 682
 683                 my $hasdeps = 0;
 684                 my %deplines;
 685                 foreach my $deps (@srcdeps) {
 686                         my $idx;
 687                         my $condition;
 688                         my $prefix = "";
 689                         my $suffix = "";
 690
 691                         if ($deps =~ /^(.+):(.+)/) {
 692                                 $condition = $1;
 693                                 $deps = $2;
 694                         }
 695                         if ($deps =~ /^(.+)(\/.+)/) {
 696                                 $deps = $1;
 697                                 $suffix = $2;
 698                         }
 699
 700                         my $pkg_dep = $package{$deps};
 701                         my @deps;
 702
 703                         if ($pkg_dep->{vdepends}) {
 704                                 @deps = @{$pkg_dep->{vdepends}};
 705                         } else {
 706                                 @deps = ($deps);
 707                         }
 708
 709                         foreach my $dep (@deps) {
 710                                 $pkg_dep = $package{$deps};
 711                                 if (defined $pkg_dep->{src}) {
 712                                         ($pkg->{src} ne $pkg_dep->{src}.$suffix) and $idx = $pkg_dep->{subdir}.$pkg_dep->{src};
 713                                 } elsif (defined($srcpackage{$dep})) {
 714                                         $idx = $subdir{$dep}.$dep;
 715                                 }
 716                                 $idx .= $suffix;
 717                                 undef $idx if $idx =~ /^(kernel)|(base-files)$/;
 718                                 if ($idx) {
 719                                         my $depline;
 720                                         next if $pkg->{src} eq $pkg_dep->{src}.$suffix;
 721                                         next if $dep{$pkg->{src}."->".$idx};
 722                                         next if $dep{$pkg->{src}."->($dep)".$idx} and $pkg_dep->{vdepends};
 723                                         my $depstr;
 724
 725                                         if ($pkg_dep->{vdepends}) {
 726                                                 $depstr = "\$(if \$(CONFIG_PACKAGE_$dep),\$(curdir)/$idx/compile)";
 727                                                 $dep{$pkg->{src}."->($dep)".$idx} = 1;
 728                                         } else {
 729                                                 $depstr = "\$(curdir)/$idx/compile";
 730                                                 $dep{$pkg->{src}."->".$idx} = 1;
 731                                         }
 732                                         $depline = get_conditional_dep($condition, $depstr);
 733                                         if ($depline) {
 734                                                 $deplines{$idx.$dep} = $depline;
 735                                         }
 736                                 }
 737                         }
 738                 }
 739                 my $depline = join(" ", values %deplines);
 740                 if ($depline) {
 741                         $line .= "\$(curdir)/".$pkg->{subdir}."$pkg->{src}/compile += $depline\n";
 742                 }
 743         }
 744
 745         if ($line ne "") {
 746                 print "\n$line";
 747         }
 748         foreach my $preconfig (keys %preconfig) {
 749                 my $cmds;
 750                 foreach my $cfg (keys %{$preconfig{$preconfig}}) {
 751                         my $conf = $preconfig{$preconfig}->{$cfg}->{id};
 752                         $conf =~ tr/\.-/__/;
 753                         $cmds .= "\techo \"uci set '$preconfig{$preconfig}->{$cfg}->{id}=\$(subst \",,\$(CONFIG_UCI_PRECONFIG_$conf))'\"; \\\n";
 754                 }
 755                 next unless $cmds;
 756                 print <<EOF
 757
 758 \$(TARGET_DIR)/etc/uci-defaults/$preconfig: FORCE
 759         ( \\
 760 $cmds \\
 761         ) > \$@
 762
 763 ifneq (\$(UCI_PRECONFIG)\$(CONFIG_UCI_PRECONFIG),)
 764   package/preconfig: \$(TARGET_DIR)/etc/uci-defaults/$preconfig
 765 endif
 766 EOF
 767         }
 768 }
 769
 770 sub gen_package_source() {
 771         parse_package_metadata($ARGV[0]) or exit 1;
 772         foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
 773                 my $pkg = $package{$name};
 774                 if ($pkg->{name} && $pkg->{source}) {
 775                         print "$pkg->{name}: ";
 776                         print "$pkg->{source}\n";
 777                 }
 778         }
 779 }
 780
 781 sub parse_command() {
 782         my $cmd = shift @ARGV;
 783         for ($cmd) {
 784                 /^target_config$/ and return gen_target_config();
 785                 /^package_mk$/ and return gen_package_mk();
 786                 /^package_config$/ and return gen_package_config();
 787                 /^kconfig/ and return gen_kconfig_overrides();
 788                 /^package_source$/ and return gen_package_source();
 789         }
 790         print <<EOF
 791 Available Commands:
 792         $0 target_config [file]         Target metadata in Kconfig format
 793         $0 package_mk [file]            Package metadata in makefile format
 794         $0 package_config [file]        Package metadata in Kconfig format
 795         $0 kconfig [file] [config]      Kernel config overrides
 796         $0 package_source [file]        Package source file information
 797
 798 EOF
 799 }
 800
 801 parse_command();