properly support dependencies on packages that just use Build/DefaultTargets
[openwrt.git] / scripts / metadata.pl
1 #!/usr/bin/perl
2 use strict;
3 my %preconfig;
4 my %package;
5 my %srcpackage;
6 my %category;
7 my %subdir;
8
9 sub get_multiline {
10         my $prefix = shift;
11         my $str;
12         while (<>) {
13                 last if /^@@/;
14                 s/^\s*//g;
15                 $str .= (($_ and $prefix) ? $prefix . $_ : $_);
16         }
17
18         return $str;
19 }
20
21 sub parse_target_metadata() {
22         my ($target, @target, $profile);        
23         while (<>) {
24                 chomp;
25                 /^Target:\s*((.+)-(\d+\.\d+))\s*$/ and do {
26                         my $conf = uc $3.'_'.$2;
27                         $conf =~ tr/\.-/__/;
28                         $target = {
29                                 id => $1,
30                                 conf => $conf,
31                                 board => $2,
32                                 kernel => $3,
33                                 profiles => []
34                         };
35                         push @target, $target;
36                 };
37                 /^Target-Name:\s*(.+)\s*$/ and $target->{name} = $1;
38                 /^Target-Path:\s*(.+)\s*$/ and $target->{path} = $1;
39                 /^Target-Arch:\s*(.+)\s*$/ and $target->{arch} = $1;
40                 /^Target-Features:\s*(.+)\s*$/ and $target->{features} = [ split(/\s+/, $1) ];
41                 /^Target-Description:/ and $target->{desc} = get_multiline();
42                 /^Linux-Version:\s*(.+)\s*$/ and $target->{version} = $1;
43                 /^Linux-Release:\s*(.+)\s*$/ and $target->{release} = $1;
44                 /^Linux-Kernel-Arch:\s*(.+)\s*$/ and $target->{karch} = $1;
45                 /^Default-Packages:\s*(.+)\s*$/ and $target->{packages} = [ split(/\s+/, $1) ];
46                 /^Target-Profile:\s*(.+)\s*$/ and do {
47                         $profile = {
48                                 id => $1,
49                                 name => $1,
50                                 packages => []
51                         };
52                         push @{$target->{profiles}}, $profile;
53                 };
54                 /^Target-Profile-Name:\s*(.+)\s*$/ and $profile->{name} = $1;
55                 /^Target-Profile-Packages:\s*(.*)\s*$/ and $profile->{packages} = [ split(/\s+/, $1) ];
56                 /^Target-Profile-Description:\s*(.*)\s*/ and $profile->{desc} = get_multiline();
57                 /^Target-Profile-Config:/ and $profile->{config} = get_multiline("\t");
58                 /^Target-Profile-Kconfig:/ and $profile->{kconfig} = 1;
59         }
60         foreach my $target (@target) {
61                 @{$target->{profiles}} > 0 or $target->{profiles} = [
62                         {
63                                 id => 'Default',
64                                 name => 'Default',
65                                 packages => []
66                         }
67                 ];
68         }
69         return @target;
70 }
71
72 sub parse_package_metadata() {
73         my $pkg;
74         my $makefile;
75         my $preconfig;
76         my $subdir;
77         my $src;
78         while (<>) {
79                 chomp;
80                 /^Source-Makefile: \s*((.+\/)([^\/]+)\/Makefile)\s*$/ and do {
81                         $makefile = $1;
82                         $subdir = $2;
83                         $src = $3;
84                         $subdir =~ s/^package\///;
85                         $subdir{$src} = $subdir;
86                         $srcpackage{$src} = [];
87                         undef $pkg;
88                 };
89                 /^Package:\s*(.+?)\s*$/ and do {
90                         $pkg = {};
91                         $pkg->{src} = $src;
92                         $pkg->{makefile} = $makefile;
93                         $pkg->{name} = $1;
94                         $pkg->{default} = "m if ALL";
95                         $pkg->{depends} = [];
96                         $pkg->{builddepends} = [];
97                         $pkg->{subdir} = $subdir;
98                         $package{$1} = $pkg;
99                         push @{$srcpackage{$src}}, $pkg;
100                 };
101                 /^Version: \s*(.+)\s*$/ and $pkg->{version} = $1;
102                 /^Title: \s*(.+)\s*$/ and $pkg->{title} = $1;
103                 /^Menu: \s*(.+)\s*$/ and $pkg->{menu} = $1;
104                 /^Submenu: \s*(.+)\s*$/ and $pkg->{submenu} = $1;
105                 /^Submenu-Depends: \s*(.+)\s*$/ and $pkg->{submenudep} = $1;
106                 /^Default: \s*(.+)\s*$/ and $pkg->{default} = $1;
107                 /^Provides: \s*(.+)\s*$/ and do {
108                         my @vpkg = split /\s+/, $1;
109                         foreach my $vpkg (@vpkg) {
110                                 $package{$vpkg} or $package{$vpkg} = { vdepends => [] };
111                                 push @{$package{$vpkg}->{vdepends}}, $pkg->{name};
112                         }
113                 };
114                 /^Depends: \s*(.+)\s*$/ and $pkg->{depends} = [ split /\s+/, $1 ];
115                 /^Build-Depends: \s*(.+)\s*$/ and $pkg->{builddepends} = [ split /\s+/, $1 ];
116                 /^Category: \s*(.+)\s*$/ and do {
117                         $pkg->{category} = $1;
118                         defined $category{$1} or $category{$1} = {};
119                         defined $category{$1}->{$src} or $category{$1}->{$src} = [];
120                         push @{$category{$1}->{$src}}, $pkg;
121                 };
122                 /^Description: \s*(.*)\s*$/ and $pkg->{description} = "\t\t $1\n". get_multiline("\t\t ");
123                 /^Config: \s*(.*)\s*$/ and $pkg->{config} = "$1\n".get_multiline();
124                 /^Prereq-Check:/ and $pkg->{prereq} = 1;
125                 /^Preconfig:\s*(.+)\s*$/ and do {
126                         my $pkgname = $pkg->{name};
127                         $preconfig{$pkgname} or $preconfig{$pkgname} = [];
128                         $preconfig = {
129                                 id => $1
130                         };
131                         push @{$preconfig{$pkgname}}, $preconfig;
132                 };
133                 /^Preconfig-Type:\s*(.*?)\s*$/ and $preconfig->{type} = $1;
134                 /^Preconfig-Label:\s*(.*?)\s*$/ and $preconfig->{label} = $1;
135                 /^Preconfig-Default:\s*(.*?)\s*$/ and $preconfig->{default} = $1;
136         }
137         return %category;
138 }
139
140 sub merge_package_lists($$) {
141         my $list1 = shift;
142         my $list2 = shift;
143         my @l = ();
144         my %pkgs;
145
146         foreach my $pkg (@$list1, @$list2) {
147                 $pkgs{$pkg} = 1;
148         }
149         foreach my $pkg (keys %pkgs) {
150                 push @l, $pkg unless ($pkg =~ /^-/ or $pkgs{"-$pkg"});
151         }
152         return sort(@l);
153 }
154
155 sub gen_target_mk() {
156         my @target = parse_target_metadata();
157         
158         @target = sort {
159                 $a->{id} cmp $b->{id}
160         } @target;
161         
162         foreach my $target (@target) {
163                 my ($profiles_def, $profiles_eval);
164                 my $conf = uc $target->{kernel}.'_'.$target->{board};
165                 $conf =~ tr/\.-/__/;
166                 
167                 foreach my $profile (@{$target->{profiles}}) {
168                         $profiles_def .= "
169   define Profile/$conf\_$profile->{id}
170     ID:=$profile->{id}
171     NAME:=$profile->{name}
172     PACKAGES:=".join(" ", merge_package_lists($target->{packages}, $profile->{packages}))."\n";
173                         $profile->{kconfig} and $profiles_def .= "    KCONFIG:=1\n";
174                         $profiles_def .= "  endef";
175                         $profiles_eval .= "
176 \$(eval \$(call AddProfile,$conf\_$profile->{id}))"
177                 }
178                 print "
179 ifeq (\$(CONFIG_LINUX_$conf),y)
180   define Target
181     KERNEL:=$target->{kernel}
182     BOARD:=$target->{board}
183     BOARDNAME:=$target->{name}
184     LINUX_VERSION:=$target->{version}
185     LINUX_RELEASE:=$target->{release}
186     LINUX_KARCH:=$target->{karch}
187     DEFAULT_PACKAGES:=".join(" ", @{$target->{packages}})."
188   endef$profiles_def
189 endif$profiles_eval
190
191 "
192         }
193         print "\$(eval \$(call Target))\n";
194 }
195
196 sub target_config_features(@) {
197         my $ret;
198
199         while ($_ = shift @_) {
200                 /broken/ and $ret .= "\tdepends BROKEN\n";
201                 /pci/ and $ret .= "\tselect PCI_SUPPORT\n";
202                 /usb/ and $ret .= "\tselect USB_SUPPORT\n";
203                 /atm/ and $ret .= "\tselect ATM_SUPPORT\n";
204                 /pcmcia/ and $ret .= "\tselect PCMCIA_SUPPORT\n";
205                 /video/ and $ret .= "\tselect VIDEO_SUPPORT\n";
206                 /squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
207                 /jffs2/ and $ret .= "\tselect USES_JFFS2\n";
208                 /ext2/ and $ret .= "\tselect USES_EXT2\n";
209         }
210         return $ret;
211 }
212
213
214 sub gen_target_config() {
215         my @target = parse_target_metadata();
216
217         @target = sort {
218                 $a->{name} cmp $b->{name}
219         } @target;
220         
221         
222         print <<EOF;
223 choice
224         prompt "Target System"
225         default LINUX_2_4_BRCM
226         reset if !DEVEL
227         
228 EOF
229
230         foreach my $target (@target) {
231                 my $features = target_config_features(@{$target->{features}});
232                 my $help = $target->{desc};
233                 my $kernel = $target->{kernel};
234                 $kernel =~ tr/./_/;
235
236                 chomp $features;
237                 $features .= "\n";
238                 if ($help =~ /\w+/) {
239                         $help =~ s/^\s*/\t  /mg;
240                         $help = "\thelp\n$help";
241                 } else {
242                         undef $help;
243                 }
244         
245                 print <<EOF
246 config LINUX_$target->{conf}
247         bool "$target->{name}"
248         select $target->{arch}
249         select LINUX_$kernel
250 $features$help
251
252 EOF
253         }
254
255         print <<EOF;
256 if DEVEL
257
258 config LINUX_2_6_ARM
259         bool "UNSUPPORTED little-endian arm platform"
260         depends BROKEN
261         select LINUX_2_6
262         select arm
263
264 config LINUX_2_6_CRIS
265         bool "UNSUPPORTED cris platform"
266         depends BROKEN
267         select LINUX_2_6
268         select cris
269
270 config LINUX_2_6_M68K
271         bool "UNSUPPORTED m68k platform"
272         depends BROKEN
273         select LINUX_2_6
274         select m68k
275
276 config LINUX_2_6_SH3
277         bool "UNSUPPORTED little-endian sh3 platform"
278         depends BROKEN
279         select LINUX_2_6
280         select sh3
281
282 config LINUX_2_6_SH3EB
283         bool "UNSUPPORTED big-endian sh3 platform"
284         depends BROKEN
285         select LINUX_2_6
286         select sh3eb
287
288 config LINUX_2_6_SH4
289         bool "UNSUPPORTED little-endian sh4 platform"
290         depends BROKEN
291         select LINUX_2_6
292         select sh4
293
294 config LINUX_2_6_SH4EB
295         bool "UNSUPPORTED big-endian sh4 platform"
296         depends BROKEN
297         select LINUX_2_6
298         select sh4eb
299
300 config LINUX_2_6_SPARC
301         bool "UNSUPPORTED sparc platform"
302         depends BROKEN
303         select LINUX_2_6
304         select sparc
305
306 endif
307
308 endchoice
309
310 choice
311         prompt "Target Profile"
312
313 EOF
314         
315         foreach my $target (@target) {
316                 my $profiles = $target->{profiles};
317                 
318                 foreach my $profile (@$profiles) {
319                         print <<EOF;
320 config LINUX_$target->{conf}_$profile->{id}
321         bool "$profile->{name}"
322         depends LINUX_$target->{conf}
323 $profile->{config}
324 EOF
325                         $profile->{kconfig} and print "\tselect PROFILE_KCONFIG\n";
326                         my @pkglist = merge_package_lists($target->{packages}, $profile->{packages});
327                         foreach my $pkg (@pkglist) {
328                                 print "\tselect DEFAULT_$pkg\n";
329                         }
330                         print "\n";
331                 }
332         }
333
334         print "endchoice\n";
335 }
336
337
338 sub find_package_dep($$) {
339         my $pkg = shift;
340         my $name = shift;
341         my $deps = ($pkg->{vdepends} or $pkg->{depends});
342
343         return 0 unless defined $deps;
344         foreach my $dep (@{$deps}) {
345                 return 1 if $dep eq $name;
346                 return 1 if ($package{$dep} and (find_package_dep($package{$dep},$name) == 1));
347         }
348         return 0;
349 }
350
351 sub package_depends($$) {
352         my $a = shift;
353         my $b = shift;
354         my $ret;
355
356         return 0 if ($a->{submenu} ne $b->{submenu});
357         if (find_package_dep($a, $b->{name}) == 1) {
358                 $ret = 1;
359         } elsif (find_package_dep($b, $a->{name}) == 1) {
360                 $ret = -1;
361         } else {
362                 return 0;
363         }
364         return $ret;
365 }
366
367 sub mconf_depends($$) {
368         my $depends = shift;
369         my $only_dep = shift;
370         my $res;
371
372         $depends or return;
373         my @depends = @$depends;
374         foreach my $depend (@depends) {
375                 my $m = "depends";
376                 $depend =~ s/^([@\+]+)//;
377                 my $flags = $1;
378                 my $vdep;
379         
380                 if ($vdep = $package{$depend}->{vdepends}) {
381                         $depend = join("||", map { "PACKAGE_".$_ } @$vdep);
382                 } else {
383                         $flags =~ /\+/ and do {
384                                 next if $only_dep;
385                                 $m = "select";
386
387                                 # Menuconfig will not treat 'select FOO' as a real dependency
388                                 # thus if FOO depends on other config options, these dependencies
389                                 # will not be checked. To fix this, we simply emit all of FOO's
390                                 # depends here as well.
391                                 $package{$depend} and $res .= mconf_depends($package{$depend}->{depends}, 1);
392                         };
393                         $flags =~ /@/ or $depend = "PACKAGE_$depend";
394                 }
395                 $res .= "\t\t$m $depend\n";
396         }
397         return $res;
398 }
399
400 sub print_package_config_category($) {
401         my $cat = shift;
402         my %menus;
403         my %menu_dep;
404         
405         return unless $category{$cat};
406         
407         print "menu \"$cat\"\n\n";
408         my %spkg = %{$category{$cat}};
409         
410         foreach my $spkg (sort {uc($a) cmp uc($b)} keys %spkg) {
411                 foreach my $pkg (@{$spkg{$spkg}}) {
412                         my $menu = $pkg->{submenu};
413                         if ($menu) {
414                                 $menu_dep{$menu} or $menu_dep{$menu} = $pkg->{submenudep};
415                         } else {
416                                 $menu = 'undef';
417                         }
418                         $menus{$menu} or $menus{$menu} = [];
419                         push @{$menus{$menu}}, $pkg;
420                         print "\tconfig DEFAULT_".$pkg->{name}."\n";
421                         print "\t\tbool\n\n";
422                 }
423         }
424         my @menus = sort {
425                 ($a eq 'undef' ?  1 : 0) or
426                 ($b eq 'undef' ? -1 : 0) or
427                 ($a cmp $b)
428         } keys %menus;
429
430         foreach my $menu (@menus) {
431                 my @pkgs = sort {
432                         package_depends($a, $b) or
433                         ($a->{name} cmp $b->{name})
434                 } @{$menus{$menu}};
435                 if ($menu ne 'undef') {
436                         $menu_dep{$menu} and print "if $menu_dep{$menu}\n";
437                         print "menu \"$menu\"\n";
438                 }
439                 foreach my $pkg (@pkgs) {
440                         my $title = $pkg->{name};
441                         my $c = (72 - length($pkg->{name}) - length($pkg->{title}));
442                         if ($c > 0) {
443                                 $title .= ("." x $c). " ". $pkg->{title};
444                         }
445                         print "\t";
446                         $pkg->{menu} and print "menu";
447                         print "config PACKAGE_".$pkg->{name}."\n";
448                         print "\t\ttristate \"$title\"\n";
449                         print "\t\tdefault y if DEFAULT_".$pkg->{name}."\n";
450                         foreach my $default (split /\s*,\s*/, $pkg->{default}) {
451                                 print "\t\tdefault $default\n";
452                         }
453                         print mconf_depends($pkg->{depends}, 0);
454                         print "\t\thelp\n";
455                         print $pkg->{description};
456                         print "\n";
457
458                         $pkg->{config} and print $pkg->{config}."\n";
459                 }
460                 if ($menu ne 'undef') {
461                         print "endmenu\n";
462                         $menu_dep{$menu} and print "endif\n";
463                 }
464         }
465         print "endmenu\n\n";
466         
467         undef $category{$cat};
468 }
469
470 sub gen_package_config() {
471         parse_package_metadata();
472         print "menuconfig UCI_PRECONFIG\n\tbool \"Image configuration\"\n";
473         foreach my $preconfig (keys %preconfig) {
474                 foreach my $cfg (@{$preconfig{$preconfig}}) {
475                         my $conf = $cfg->{id};
476                         $conf =~ tr/\.-/__/;
477                         print <<EOF
478         config UCI_PRECONFIG_$conf
479                 string "$cfg->{label}" if UCI_PRECONFIG
480                 depends PACKAGE_$preconfig
481                 default "$cfg->{default}"
482
483 EOF
484                 }
485         }
486         print_package_config_category 'Base system';
487         foreach my $cat (keys %category) {
488                 print_package_config_category $cat;
489         }
490 }
491
492 sub gen_package_mk() {
493         my %conf;
494         my %dep;
495         my $line;
496
497         parse_package_metadata();
498         foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
499                 my $config;
500                 my $pkg = $package{$name};
501                 
502                 next if defined $pkg->{vdepends};
503                 if ($ENV{SDK}) {
504                         $conf{$pkg->{src}} or do {
505                                 $config = 'm';
506                                 $conf{$pkg->{src}} = 1;
507                         };
508                 } else {
509                         $config = "\$(CONFIG_PACKAGE_$name)"
510                 }
511                 if ($config) {
512                         print "package-$config += $pkg->{subdir}$pkg->{src}\n";
513                         $pkg->{prereq} and print "prereq-$config += $pkg->{src}\n";
514                 }
515         
516                 my $hasdeps = 0;
517                 my $depline = "";
518                 foreach my $dep (@{$pkg->{depends}}, @{$pkg->{builddepends}}) {
519                         next if $dep =~ /@/;
520                         $dep =~ s/\+//;
521                         my $idx;
522                         my $pkg_dep = $package{$dep};
523                         next if defined $pkg_dep->{vdepends};
524
525                         if (defined $pkg_dep->{src}) {
526                                 ($pkg->{src} ne $pkg_dep->{src}) and $idx = $pkg_dep->{subdir}.$pkg_dep->{src};
527                         } elsif (defined($srcpackage{$dep})) {
528                                 $idx = $subdir{$dep}.$dep;
529                         }
530                         undef $idx if $idx =~ /^(kernel)|(base-files)$/;
531                         if ($idx) {
532                                 next if $dep{$pkg->{src}."->".$idx};
533                                 $depline .= " $idx\-compile";
534                                 $dep{$pkg->{src}."->".$idx} = 1;
535                         }
536                 }
537                 if ($depline) {
538                         $line .= $pkg->{subdir}."$pkg->{src}-compile: $depline\n";
539                 }
540         }
541         
542         if ($line ne "") {
543                 print "\n$line";
544         }
545         foreach my $preconfig (keys %preconfig) {
546                 my $cmds;
547                 foreach my $cfg (@{$preconfig{$preconfig}}) {
548                         my $conf = $cfg->{id};
549                         $conf =~ tr/\.-/__/;
550                         $cmds .= "\techo \"uci set '$cfg->{id}=\$(subst \",,\$(CONFIG_UCI_PRECONFIG_$conf))'\"; \\\n";
551                 }
552                 next unless $cmds;
553                 print <<EOF
554
555 \$(TARGET_DIR)/etc/uci-defaults/$preconfig: FORCE
556         ( \\
557 $cmds \\
558         ) > \$@
559         
560 ifneq (\$(UCI_PRECONFIG)\$(CONFIG_UCI_PRECONFIG),)
561   preconfig: \$(TARGET_DIR)/etc/uci-defaults/$preconfig
562 endif
563 EOF
564         }
565 }
566
567
568 sub parse_command() {
569         my $cmd = shift @ARGV;
570         for ($cmd) {
571                 /^target_mk$/ and return gen_target_mk();
572                 /^target_config$/ and return gen_target_config();
573                 /^package_mk$/ and return gen_package_mk();
574                 /^package_config$/ and return gen_package_config();
575         }
576         print <<EOF
577 Available Commands:
578         $0 target_mk [file]             Target metadata in makefile format
579         $0 target_config [file]         Target metadata in Kconfig format
580         $0 package_mk [file]            Package metadata in makefile format
581         $0 package_config [file]        Package metadata in Kconfig format
582 EOF
583 }
584
585 parse_command();