Add audio feature flag.
[15.05/openwrt.git] / 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                 /audio/ and $ret .= "\tselect AUDIO_SUPPORT\n";
156                 /display/ and $ret .= "\tselect DISPLAY_SUPPORT\n";
157                 /gpio/ and $ret .= "\tselect GPIO_SUPPORT\n";
158                 /pci/ and $ret .= "\tselect PCI_SUPPORT\n";
159                 /pcie/ and $ret .= "\tselect PCIE_SUPPORT\n";
160                 /usb/ and $ret .= "\tselect USB_SUPPORT\n";
161                 /pcmcia/ and $ret .= "\tselect PCMCIA_SUPPORT\n";
162                 /squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
163                 /jffs2/ and $ret .= "\tselect USES_JFFS2\n";
164                 /ext2/ and $ret .= "\tselect USES_EXT2\n";
165                 /tgz/ and $ret .= "\tselect USES_TGZ\n";
166                 /cpiogz/ and $ret .= "\tselect USES_CPIOGZ\n";
167                 /ubifs/ and $ret .= "\tselect USES_UBIFS\n";
168                 /fpu/ and $ret .= "\tselect HAS_FPU\n";
169                 /ramdisk/ and $ret .= "\tselect USES_INITRAMFS\n";
170                 /powerpc64/ and $ret .= "\tselect powerpc64\n";
171                 /nommu/ and $ret .= "\tselect NOMMU\n";
172         }
173         return $ret;
174 }
175
176 sub target_name($) {
177         my $target = shift;
178         my $parent = $target->{parent};
179         if ($parent) {
180                 return $target->{parent}->{name}." - ".$target->{name};
181         } else {
182                 return $target->{name};
183         }
184 }
185
186 sub kver($) {
187         my $v = shift;
188         $v =~ tr/\./_/;
189         $v =~ /(\d+_\d+_\d+)(_\d+)?/ and $v = $1;
190         return $v;
191 }
192
193 sub print_target($) {
194         my $target = shift;
195         my $features = target_config_features(@{$target->{features}});
196         my $help = $target->{desc};
197         my $kernel = $target->{kernel};
198         my $confstr;
199         $kernel =~ tr/./_/;
200
201         chomp $features;
202         $features .= "\n";
203         if ($help =~ /\w+/) {
204                 $help =~ s/^\s*/\t  /mg;
205                 $help = "\thelp\n$help";
206         } else {
207                 undef $help;
208         }
209
210         my $v = kver($target->{version});
211         if (@{$target->{subtargets}} == 0) {
212         $confstr = <<EOF;
213 config TARGET_$target->{conf}
214         bool "$target->{name}"
215         select LINUX_$kernel
216         select LINUX_$v
217 EOF
218         }
219         else {
220                 $confstr = <<EOF;
221 config TARGET_$target->{conf}
222         bool "$target->{name}"
223 EOF
224         }
225         if ($target->{subtarget}) {
226                 $confstr .= "\tdepends TARGET_$target->{boardconf}\n";
227         }
228         if (@{$target->{subtargets}} > 0) {
229                 $confstr .= "\tselect HAS_SUBTARGETS\n";
230         }
231
232         if ($target->{arch} =~ /\w/) {
233                 $confstr .= "\tselect $target->{arch}\n";
234         }
235         foreach my $dep (@{$target->{depends}}) {
236                 my $mode = "depends";
237                 my $flags;
238                 my $name;
239
240                 $dep =~ /^([@\+\-]+)(.+)$/;
241                 $flags = $1;
242                 $name = $2;
243
244                 next if $name =~ /:/;
245                 $flags =~ /-/ and $mode = "deselect";
246                 $flags =~ /\+/ and $mode = "select";
247                 $flags =~ /@/ and $confstr .= "\t$mode $name\n";
248         }
249         $confstr .= $features;
250         $confstr .= "$help\n\n";
251         print $confstr;
252 }
253
254 sub gen_target_config() {
255         my @target = parse_target_metadata();
256         my %defaults;
257
258         my @target_sort = sort {
259                 target_name($a) cmp target_name($b);
260         } @target;
261
262
263         print <<EOF;
264 choice
265         prompt "Target System"
266         default TARGET_brcm_2_4
267         reset if !DEVEL
268         
269 EOF
270
271         foreach my $target (@target_sort) {
272                 next if $target->{subtarget};
273                 print_target($target);
274         }
275
276         print <<EOF;
277 endchoice
278
279 choice
280         prompt "Subtarget" if HAS_SUBTARGETS
281
282 EOF
283         foreach my $target (@target) {
284                 next unless $target->{subtarget};
285                 print_target($target);
286         }
287
288 print <<EOF;
289 endchoice
290
291 choice
292         prompt "Target Profile"
293
294 EOF
295
296         foreach my $target (@target) {
297                 my $profiles = $target->{profiles};
298
299                 foreach my $profile (@$profiles) {
300                         print <<EOF;
301 config TARGET_$target->{conf}_$profile->{id}
302         bool "$profile->{name}"
303         depends TARGET_$target->{conf}
304 $profile->{config}
305 EOF
306                         $profile->{kconfig} and print "\tselect PROFILE_KCONFIG\n";
307                         my @pkglist = merge_package_lists($target->{packages}, $profile->{packages});
308                         foreach my $pkg (@pkglist) {
309                                 print "\tselect DEFAULT_$pkg\n";
310                                 $defaults{$pkg} = 1;
311                         }
312                         my $help = $profile->{desc};
313                         if ($help =~ /\w+/) {
314                                 $help =~ s/^\s*/\t  /mg;
315                                 $help = "\thelp\n$help";
316                         } else {
317                                 undef $help;
318                         }
319                         print "$help\n";
320                 }
321         }
322
323         print <<EOF;
324 endchoice
325
326 config HAS_SUBTARGETS
327         bool
328
329 config TARGET_BOARD
330         string
331
332 EOF
333         foreach my $target (@target) {
334                 $target->{subtarget} or print "\t\tdefault \"".$target->{board}."\" if TARGET_".$target->{conf}."\n";
335         }
336         print <<EOF;
337
338 config DEFAULT_TARGET_OPTIMIZATION
339         string
340 EOF
341         foreach my $target (@target) {
342                 next if @{$target->{subtargets}} > 0;
343                 print "\tdefault \"".$target->{cflags}."\" if TARGET_".$target->{conf}."\n";
344         }
345         print "\tdefault \"-Os -pipe -funit-at-a-time\"\n";
346
347         my %kver;
348         foreach my $target (@target) {
349                 my $v = kver($target->{version});
350                 next if $kver{$v};
351                 $kver{$v} = 1;
352                 print <<EOF;
353
354 config LINUX_$v
355         bool
356
357 EOF
358         }
359         foreach my $def (sort keys %defaults) {
360                 print "\tconfig DEFAULT_".$def."\n";
361                 print "\t\tbool\n\n";
362         }
363 }
364
365 my %dep_check;
366 sub __find_package_dep($$) {
367         my $pkg = shift;
368         my $name = shift;
369         my $deps = ($pkg->{vdepends} or $pkg->{depends});
370
371         return 0 unless defined $deps;
372         foreach my $dep (@{$deps}) {
373                 next if $dep_check{$dep};
374                 $dep_check{$dep} = 1;
375                 return 1 if $dep eq $name;
376                 return 1 if ($package{$dep} and (__find_package_dep($package{$dep},$name) == 1));
377         }
378         return 0;
379 }
380
381 # wrapper to avoid infinite recursion
382 sub find_package_dep($$) {
383         my $pkg = shift;
384         my $name = shift;
385
386         %dep_check = ();
387         return __find_package_dep($pkg, $name);
388 }
389
390 sub package_depends($$) {
391         my $a = shift;
392         my $b = shift;
393         my $ret;
394
395         return 0 if ($a->{submenu} ne $b->{submenu});
396         if (find_package_dep($a, $b->{name}) == 1) {
397                 $ret = 1;
398         } elsif (find_package_dep($b, $a->{name}) == 1) {
399                 $ret = -1;
400         } else {
401                 return 0;
402         }
403         return $ret;
404 }
405
406 sub mconf_depends {
407         my $pkgname = shift;
408         my $depends = shift;
409         my $only_dep = shift;
410         my $res;
411         my $dep = shift;
412         my $seen = shift;
413         my $parent_condition = shift;
414         $dep or $dep = {};
415         $seen or $seen = {};
416
417         $depends or return;
418         my @depends = @$depends;
419         foreach my $depend (@depends) {
420                 my $m = "depends";
421                 my $flags = "";
422                 $depend =~ s/^([@\+]+)// and $flags = $1;
423                 my $vdep;
424                 my $condition = $parent_condition;
425
426                 if ($depend =~ /^(.+):(.+)$/) {
427                         if ($1 ne "PACKAGE_$pkgname") {
428                                 if ($condition) {
429                                         $condition = "$condition && $1";
430                                 } else {
431                                         $condition = $1;
432                                 }
433                         }
434                         $depend = $2;
435                 }
436                 next if $seen->{$depend};
437                 next if $package{$depend} and $package{$depend}->{buildonly};
438                 $seen->{$depend} = 1;
439                 if ($vdep = $package{$depend}->{vdepends}) {
440                         $depend = join("||", map { "PACKAGE_".$_ } @$vdep);
441                 } else {
442                         $flags =~ /\+/ and do {
443                                 # Menuconfig will not treat 'select FOO' as a real dependency
444                                 # thus if FOO depends on other config options, these dependencies
445                                 # will not be checked. To fix this, we simply emit all of FOO's
446                                 # depends here as well.
447                                 $package{$depend} and mconf_depends($pkgname, $package{$depend}->{depends}, 1, $dep, $seen, $condition);
448
449                                 $m = "select";
450                                 next if $only_dep;
451                         };
452                         $flags =~ /@/ or $depend = "PACKAGE_$depend";
453                         if ($condition) {
454                                 if ($m =~ /select/) {
455                                         $depend = "$depend if $condition";
456                                 } else {
457                                         $depend = "!($condition) || $depend";
458                                 }
459                         }
460                 }
461                 $dep->{$depend} =~ /select/ or $dep->{$depend} = $m;
462         }
463         foreach my $depend (keys %$dep) {
464                 my $m = $dep->{$depend};
465                 $res .= "\t\t$m $depend\n";
466         }
467         return $res;
468 }
469
470 sub print_package_config_category($) {
471         my $cat = shift;
472         my %menus;
473         my %menu_dep;
474
475         return unless $category{$cat};
476
477         print "menu \"$cat\"\n\n";
478         my %spkg = %{$category{$cat}};
479
480         foreach my $spkg (sort {uc($a) cmp uc($b)} keys %spkg) {
481                 foreach my $pkg (@{$spkg{$spkg}}) {
482                         next if $pkg->{buildonly};
483                         my $menu = $pkg->{submenu};
484                         if ($menu) {
485                                 $menu_dep{$menu} or $menu_dep{$menu} = $pkg->{submenudep};
486                         } else {
487                                 $menu = 'undef';
488                         }
489                         $menus{$menu} or $menus{$menu} = [];
490                         push @{$menus{$menu}}, $pkg;
491                 }
492         }
493         my @menus = sort {
494                 ($a eq 'undef' ?  1 : 0) or
495                 ($b eq 'undef' ? -1 : 0) or
496                 ($a cmp $b)
497         } keys %menus;
498
499         foreach my $menu (@menus) {
500                 my @pkgs = sort {
501                         package_depends($a, $b) or
502                         ($a->{name} cmp $b->{name})
503                 } @{$menus{$menu}};
504                 if ($menu ne 'undef') {
505                         $menu_dep{$menu} and print "if $menu_dep{$menu}\n";
506                         print "menu \"$menu\"\n";
507                 }
508                 foreach my $pkg (@pkgs) {
509                         my $title = $pkg->{name};
510                         my $c = (72 - length($pkg->{name}) - length($pkg->{title}));
511                         if ($c > 0) {
512                                 $title .= ("." x $c). " ". $pkg->{title};
513                         }
514                         print "\t";
515                         $pkg->{menu} and print "menu";
516                         print "config PACKAGE_".$pkg->{name}."\n";
517                         print "\t\t".($pkg->{tristate} ? 'tristate' : 'bool')." \"$title\"\n";
518                         print "\t\tdefault y if DEFAULT_".$pkg->{name}."\n";
519                         foreach my $default (split /\s*,\s*/, $pkg->{default}) {
520                                 print "\t\tdefault $default\n";
521                         }
522                         print mconf_depends($pkg->{name}, $pkg->{depends}, 0);
523                         print "\t\thelp\n";
524                         print $pkg->{description};
525                         print "\n";
526
527                         $pkg->{config} and print $pkg->{config}."\n";
528                 }
529                 if ($menu ne 'undef') {
530                         print "endmenu\n";
531                         $menu_dep{$menu} and print "endif\n";
532                 }
533         }
534         print "endmenu\n\n";
535
536         undef $category{$cat};
537 }
538
539 sub print_package_features() {
540         keys %features > 0 or return;
541         print "menu \"Package features\"\n";
542         foreach my $n (keys %features) {
543                 my @features = sort { $b->{priority} <=> $a->{priority} or $a->{title} cmp $b->{title} } @{$features{$n}};
544                 print <<EOF;
545 choice
546         prompt "$features[0]->{target_title}"
547         default FEATURE_$features[0]->{name}
548 EOF
549
550                 foreach my $feature (@features) {
551                         print <<EOF;
552         config FEATURE_$feature->{name}
553                 bool "$feature->{title}"
554 EOF
555                         $feature->{description} =~ /\w/ and do {
556                                 print "\t\thelp\n".$feature->{description}."\n";
557                         };
558                 }
559                 print "endchoice\n"
560         }
561         print "endmenu\n\n";
562 }
563
564 sub gen_package_config() {
565         parse_package_metadata($ARGV[0]) or exit 1;
566         print "menuconfig IMAGEOPT\n\tbool \"Image configuration\"\n\tdefault n\n";
567         foreach my $preconfig (keys %preconfig) {
568                 foreach my $cfg (keys %{$preconfig{$preconfig}}) {
569                         my $conf = $preconfig{$preconfig}->{$cfg}->{id};
570                         $conf =~ tr/\.-/__/;
571                         print <<EOF
572         config UCI_PRECONFIG_$conf
573                 string "$preconfig{$preconfig}->{$cfg}->{label}" if IMAGEOPT
574                 depends PACKAGE_$preconfig
575                 default "$preconfig{$preconfig}->{$cfg}->{default}"
576
577 EOF
578                 }
579         }
580         print "source \"package/*/image-config.in\"\n";
581         if (scalar glob "package/feeds/*/*/image-config.in") {
582             print "source \"package/feeds/*/*/image-config.in\"\n";
583         }
584         print_package_features();
585         print_package_config_category 'Base system';
586         foreach my $cat (keys %category) {
587                 print_package_config_category $cat;
588         }
589 }
590
591 sub get_conditional_dep($$) {
592         my $condition = shift;
593         my $depstr = shift;
594         if ($condition) {
595                 if ($condition =~ /^!(.+)/) {
596                         return "\$(if \$(CONFIG_$1),,$depstr)";
597                 } else {
598                         return "\$(if \$(CONFIG_$condition),$depstr)";
599                 }
600         } else {
601                 return $depstr;
602         }
603 }
604
605 sub gen_package_mk() {
606         my %conf;
607         my %dep;
608         my %done;
609         my $line;
610
611         parse_package_metadata($ARGV[0]) or exit 1;
612         foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
613                 my $config;
614                 my $pkg = $package{$name};
615                 my @srcdeps;
616
617                 next if defined $pkg->{vdepends};
618
619                 if ($ENV{SDK}) {
620                         $conf{$pkg->{src}} or do {
621                                 $config = 'm';
622                                 $conf{$pkg->{src}} = 1;
623                         };
624                 } else {
625                         $config = "\$(CONFIG_PACKAGE_$name)"
626                 }
627                 if ($config) {
628                         $pkg->{buildonly} and $config = "";
629                         print "package-$config += $pkg->{subdir}$pkg->{src}\n";
630                         if ($pkg->{variant}) {
631                                 print "\$(curdir)/$pkg->{subdir}$pkg->{src}/variants += \$(if $config,$pkg->{variant})\n"
632                         }
633                         $pkg->{prereq} and print "prereq-$config += $pkg->{subdir}$pkg->{src}\n";
634                 }
635
636                 next if $done{$pkg->{src}};
637                 $done{$pkg->{src}} = 1;
638
639                 if (@{$pkg->{buildtypes}} > 0) {
640                         print "buildtypes-$pkg->{subdir}$pkg->{src} = ".join(' ', @{$pkg->{buildtypes}})."\n";
641                 }
642
643                 foreach my $spkg (@{$srcpackage{$pkg->{src}}}) {
644                         foreach my $dep (@{$spkg->{depends}}, @{$spkg->{builddepends}}) {
645                                 $dep =~ /@/ or do {
646                                         $dep =~ s/\+//g;
647                                         push @srcdeps, $dep;
648                                 };
649                         }
650                 }
651                 foreach my $type (@{$pkg->{buildtypes}}) {
652                         my @extra_deps;
653                         my %deplines;
654
655                         next unless $pkg->{"builddepends/$type"};
656                         foreach my $dep (@{$pkg->{"builddepends/$type"}}) {
657                                 my $suffix = "";
658                                 my $condition;
659
660                                 if ($dep =~ /^(.+):(.+)/) {
661                                         $condition = $1;
662                                         $dep = $2;
663                                 }
664                                 if ($dep =~ /^(.+)(\/.+)/) {
665                                         $dep = $1;
666                                         $suffix = $2;
667                                 }
668                                 my $pkg_dep = $package{$dep};
669                                 next unless $pkg_dep;
670
671                                 my $idx = "";
672                                 if (defined $pkg_dep->{src}) {
673                                         $idx = $pkg_dep->{subdir}.$pkg_dep->{src};
674                                 } elsif (defined($srcpackage{$dep})) {
675                                         $idx = $subdir{$dep}.$dep;
676                                 }
677                                 my $depstr = "\$(curdir)/$idx$suffix/compile";
678                                 my $depline = get_conditional_dep($condition, $depstr);
679                                 if ($depline) {
680                                         $deplines{$dep} = $depline;
681                                 }
682                         }
683                         my $depline = join(" ", values %deplines);
684                         if ($depline) {
685                                 $line .= "\$(curdir)/".$pkg->{subdir}."$pkg->{src}/$type/compile += $depline\n";
686                         }
687                 }
688
689                 my $hasdeps = 0;
690                 my %deplines;
691                 foreach my $deps (@srcdeps) {
692                         my $idx;
693                         my $condition;
694                         my $prefix = "";
695                         my $suffix = "";
696
697                         if ($deps =~ /^(.+):(.+)/) {
698                                 $condition = $1;
699                                 $deps = $2;
700                         }
701                         if ($deps =~ /^(.+)(\/.+)/) {
702                                 $deps = $1;
703                                 $suffix = $2;
704                         }
705
706                         my $pkg_dep = $package{$deps};
707                         my @deps;
708
709                         if ($pkg_dep->{vdepends}) {
710                                 @deps = @{$pkg_dep->{vdepends}};
711                         } else {
712                                 @deps = ($deps);
713                         }
714
715                         foreach my $dep (@deps) {
716                                 $pkg_dep = $package{$deps};
717                                 if (defined $pkg_dep->{src}) {
718                                         ($pkg->{src} ne $pkg_dep->{src}.$suffix) and $idx = $pkg_dep->{subdir}.$pkg_dep->{src};
719                                 } elsif (defined($srcpackage{$dep})) {
720                                         $idx = $subdir{$dep}.$dep;
721                                 }
722                                 $idx .= $suffix;
723                                 undef $idx if $idx =~ /^(kernel)|(base-files)$/;
724                                 if ($idx) {
725                                         my $depline;
726                                         next if $pkg->{src} eq $pkg_dep->{src}.$suffix;
727                                         next if $dep{$pkg->{src}."->".$idx};
728                                         next if $dep{$pkg->{src}."->($dep)".$idx} and $pkg_dep->{vdepends};
729                                         my $depstr;
730
731                                         if ($pkg_dep->{vdepends}) {
732                                                 $depstr = "\$(if \$(CONFIG_PACKAGE_$dep),\$(curdir)/$idx/compile)";
733                                                 $dep{$pkg->{src}."->($dep)".$idx} = 1;
734                                         } else {
735                                                 $depstr = "\$(curdir)/$idx/compile";
736                                                 $dep{$pkg->{src}."->".$idx} = 1;
737                                         }
738                                         $depline = get_conditional_dep($condition, $depstr);
739                                         if ($depline) {
740                                                 $deplines{$idx.$dep} = $depline;
741                                         }
742                                 }
743                         }
744                 }
745                 my $depline = join(" ", values %deplines);
746                 if ($depline) {
747                         $line .= "\$(curdir)/".$pkg->{subdir}."$pkg->{src}/compile += $depline\n";
748                 }
749         }
750
751         if ($line ne "") {
752                 print "\n$line";
753         }
754         foreach my $preconfig (keys %preconfig) {
755                 my $cmds;
756                 foreach my $cfg (keys %{$preconfig{$preconfig}}) {
757                         my $conf = $preconfig{$preconfig}->{$cfg}->{id};
758                         $conf =~ tr/\.-/__/;
759                         $cmds .= "\techo \"uci set '$preconfig{$preconfig}->{$cfg}->{id}=\$(subst \",,\$(CONFIG_UCI_PRECONFIG_$conf))'\"; \\\n";
760                 }
761                 next unless $cmds;
762                 print <<EOF
763
764 \$(TARGET_DIR)/etc/uci-defaults/$preconfig: FORCE
765         ( \\
766 $cmds \\
767         ) > \$@
768         
769 ifneq (\$(IMAGEOPT)\$(CONFIG_IMAGEOPT),)
770   package/preconfig: \$(TARGET_DIR)/etc/uci-defaults/$preconfig
771 endif
772 EOF
773         }
774 }
775
776 sub gen_package_source() {
777         parse_package_metadata($ARGV[0]) or exit 1;
778         foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
779                 my $pkg = $package{$name};
780                 if ($pkg->{name} && $pkg->{source}) {
781                         print "$pkg->{name}: ";
782                         print "$pkg->{source}\n";
783                 }
784         }
785 }
786
787 sub parse_command() {
788         my $cmd = shift @ARGV;
789         for ($cmd) {
790                 /^target_config$/ and return gen_target_config();
791                 /^package_mk$/ and return gen_package_mk();
792                 /^package_config$/ and return gen_package_config();
793                 /^kconfig/ and return gen_kconfig_overrides();
794                 /^package_source$/ and return gen_package_source();
795         }
796         print <<EOF
797 Available Commands:
798         $0 target_config [file]         Target metadata in Kconfig format
799         $0 package_mk [file]            Package metadata in makefile format
800         $0 package_config [file]        Package metadata in Kconfig format
801         $0 kconfig [file] [config]      Kernel config overrides
802         $0 package_source [file]        Package source file information
803
804 EOF
805 }
806
807 parse_command();