allow targets to select/deselect config symbols
[openwrt.git] / scripts / metadata.pl
1 #!/usr/bin/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, $profile);
18         open FILE, "<$file" or do {
19                 warn "Can't open file '$file': $!\n";
20                 return;
21         };
22         while (<FILE>) {
23                 chomp;
24                 /^Target:\s*(.+)\s*$/ and do {
25                         $target = {
26                                 id => $1,
27                                 conf => confstr($1),
28                                 profiles => [],
29                                 features => [],
30                                 depends => []
31                         };
32                         push @target, $target;
33                 };
34                 /^Target-Board:\s*(.+)\s*$/ and do {
35                         $target->{board} = $1;
36                         $target->{boardconf} = confstr($1);
37                 };
38                 /^Target-Kernel:\s*(\d+\.\d+)\s*$/ and $target->{kernel} = $1;
39                 /^Target-Name:\s*(.+)\s*$/ and $target->{name} = $1;
40                 /^Target-Path:\s*(.+)\s*$/ and $target->{path} = $1;
41                 /^Target-Arch:\s*(.+)\s*$/ and $target->{arch} = $1;
42                 /^Target-Features:\s*(.+)\s*$/ and $target->{features} = [ split(/\s+/, $1) ];
43                 /^Target-Depends:\s*(.+)\s*$/ and $target->{depends} = [ split(/\s+/, $1) ];
44                 /^Target-Description:/ and $target->{desc} = get_multiline(*FILE);
45                 /^Linux-Version:\s*(.+)\s*$/ and $target->{version} = $1;
46                 /^Linux-Release:\s*(.+)\s*$/ and $target->{release} = $1;
47                 /^Linux-Kernel-Arch:\s*(.+)\s*$/ and $target->{karch} = $1;
48                 /^Default-Packages:\s*(.+)\s*$/ and $target->{packages} = [ split(/\s+/, $1) ];
49                 /^Target-Profile:\s*(.+)\s*$/ and do {
50                         $profile = {
51                                 id => $1,
52                                 name => $1,
53                                 packages => []
54                         };
55                         push @{$target->{profiles}}, $profile;
56                 };
57                 /^Target-Profile-Name:\s*(.+)\s*$/ and $profile->{name} = $1;
58                 /^Target-Profile-Packages:\s*(.*)\s*$/ and $profile->{packages} = [ split(/\s+/, $1) ];
59                 /^Target-Profile-Description:\s*(.*)\s*/ and $profile->{desc} = get_multiline(*FILE);
60                 /^Target-Profile-Config:/ and $profile->{config} = get_multiline(*FILE, "\t");
61                 /^Target-Profile-Kconfig:/ and $profile->{kconfig} = 1;
62         }
63         close FILE;
64         foreach my $target (@target) {
65                 @{$target->{profiles}} > 0 or $target->{profiles} = [
66                         {
67                                 id => 'Default',
68                                 name => 'Default',
69                                 packages => []
70                         }
71                 ];
72         }
73         return @target;
74 }
75
76 sub gen_kconfig_overrides() {
77         my %config;
78         my %kconfig;
79         my $package;
80         my $pkginfo = shift @ARGV;
81         my $cfgfile = shift @ARGV;
82
83         # parameter 2: build system config
84         open FILE, "<$cfgfile" or return;
85         while (<FILE>) {
86                 /^(CONFIG_.+?)=(.+)$/ and $config{$1} = 1;
87         }
88         close FILE;
89
90         # parameter 1: package metadata
91         open FILE, "<$pkginfo" or return;
92         while (<FILE>) {
93                 /^Package:\s*(.+?)\s*$/ and $package = $1;
94                 /^Kernel-Config:\s*(.+?)\s*$/ and do {
95                         my @config = split /\s+/, $1;
96                         foreach my $config (@config) {
97                                 my $val = 'm';
98                                 my $override;
99                                 if ($config =~ /^(.+?)=(.+)$/) {
100                                         $config = $1;
101                                         $override = 1;
102                                         $val = $2;
103                                 }
104                                 if ($config{"CONFIG_PACKAGE_$package"} and ($config ne 'n')) {
105                                         $kconfig{$config} = $val;
106                                 } elsif (!$override) {
107                                         $kconfig{$config} or $kconfig{$config} = 'n';
108                                 }
109                         }
110                 };
111         };
112         close FILE;
113
114         foreach my $kconfig (sort keys %kconfig) {
115                 if ($kconfig{$kconfig} eq 'n') {
116                         print "# $kconfig is not set\n";
117                 } else {
118                         print "$kconfig=$kconfig{$kconfig}\n";
119                 }
120         }
121 }
122
123 sub merge_package_lists($$) {
124         my $list1 = shift;
125         my $list2 = shift;
126         my @l = ();
127         my %pkgs;
128
129         foreach my $pkg (@$list1, @$list2) {
130                 $pkgs{$pkg} = 1;
131         }
132         foreach my $pkg (keys %pkgs) {
133                 push @l, $pkg unless ($pkg =~ /^-/ or $pkgs{"-$pkg"});
134         }
135         return sort(@l);
136 }
137
138 sub target_config_features(@) {
139         my $ret;
140
141         while ($_ = shift @_) {
142                 /broken/ and $ret .= "\tdepends BROKEN\n";
143                 /pci/ and $ret .= "\tselect PCI_SUPPORT\n";
144                 /usb/ and $ret .= "\tselect USB_SUPPORT\n";
145                 /pcmcia/ and $ret .= "\tselect PCMCIA_SUPPORT\n";
146                 /squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
147                 /jffs2/ and $ret .= "\tselect USES_JFFS2\n";
148                 /ext2/ and $ret .= "\tselect USES_EXT2\n";
149                 /tgz/ and $ret .= "\tselect USES_TGZ\n";
150         }
151         return $ret;
152 }
153
154
155 sub gen_target_config() {
156         my @target = parse_target_metadata();
157
158         @target = sort {
159                 $a->{name} cmp $b->{name}
160         } @target;
161         
162         
163         print <<EOF;
164 choice
165         prompt "Target System"
166         default TARGET_brcm_2_4
167         reset if !DEVEL
168         
169 EOF
170
171         foreach my $target (@target) {
172                 my $features = target_config_features(@{$target->{features}});
173                 my $help = $target->{desc};
174                 my $kernel = $target->{kernel};
175                 $kernel =~ tr/./_/;
176
177                 chomp $features;
178                 $features .= "\n";
179                 if ($help =~ /\w+/) {
180                         $help =~ s/^\s*/\t  /mg;
181                         $help = "\thelp\n$help";
182                 } else {
183                         undef $help;
184                 }
185         
186                 print <<EOF;
187 config TARGET_$target->{conf}
188         bool "$target->{name}"
189         select $target->{arch}
190         select LINUX_$kernel
191 EOF
192                 if ($target->{id} ne $target->{board}) {
193                         print "\tselect TARGET_".$target->{boardconf}."\n";
194                 }
195                 foreach my $dep (@{$target->{depends}}) {
196                         my $mode = "depends";
197                         my $flags;
198                         my $name;
199
200                         $dep =~ /^([@\+\-]+)(.+)$/;
201                         $flags = $1;
202                         $name = $2;
203
204                         $flags =~ /-/ and $mode = "deselect";
205                         $flags =~ /\+/ and $mode = "select";
206                         $flags =~ /@/ and print "\t$mode $name\n";
207                 }
208                 
209                 print "$features$help\n\n"
210         }
211
212         print <<EOF;
213 endchoice
214
215 config TARGET_BOARD
216         string
217 EOF
218         foreach my $target (@target) {
219                 print "\t\tdefault \"".$target->{board}."\" if TARGET_".$target->{conf}."\n";
220         }
221
222         # add hidden target config options 
223         foreach my $target (@target) {
224                 next if $board{$target->{board}};
225                 if ($target->{id} ne $target->{board}) {
226                         print "\nconfig TARGET_".$target->{boardconf}."\n\tbool\n";
227                         $board{$target->{board}} = 1;
228                 }
229         }
230         print <<EOF;
231
232 choice
233         prompt "Target Profile"
234
235 EOF
236         
237         foreach my $target (@target) {
238                 my $profiles = $target->{profiles};
239                 
240                 foreach my $profile (@$profiles) {
241                         print <<EOF;
242 config TARGET_$target->{conf}_$profile->{id}
243         bool "$profile->{name}"
244         depends TARGET_$target->{conf}
245 $profile->{config}
246 EOF
247                         $profile->{kconfig} and print "\tselect PROFILE_KCONFIG\n";
248                         my @pkglist = merge_package_lists($target->{packages}, $profile->{packages});
249                         foreach my $pkg (@pkglist) {
250                                 print "\tselect DEFAULT_$pkg\n";
251                         }
252                         print "\n";
253                 }
254         }
255
256         print "endchoice\n";
257 }
258
259 my %dep_check;
260 sub __find_package_dep($$) {
261         my $pkg = shift;
262         my $name = shift;
263         my $deps = ($pkg->{vdepends} or $pkg->{depends});
264
265         return 0 unless defined $deps;
266         foreach my $dep (@{$deps}) {
267                 next if $dep_check{$dep};
268                 $dep_check{$dep} = 1;
269                 return 1 if $dep eq $name;
270                 return 1 if ($package{$dep} and (__find_package_dep($package{$dep},$name) == 1));
271         }
272         return 0;
273 }
274
275 # wrapper to avoid infinite recursion
276 sub find_package_dep($$) {
277         my $pkg = shift;
278         my $name = shift;
279
280         %dep_check = ();
281         return __find_package_dep($pkg, $name);
282 }
283
284 sub package_depends($$) {
285         my $a = shift;
286         my $b = shift;
287         my $ret;
288
289         return 0 if ($a->{submenu} ne $b->{submenu});
290         if (find_package_dep($a, $b->{name}) == 1) {
291                 $ret = 1;
292         } elsif (find_package_dep($b, $a->{name}) == 1) {
293                 $ret = -1;
294         } else {
295                 return 0;
296         }
297         return $ret;
298 }
299
300 sub mconf_depends($$) {
301         my $depends = shift;
302         my $only_dep = shift;
303         my $res;
304
305         $depends or return;
306         my @depends = @$depends;
307         foreach my $depend (@depends) {
308                 my $m = "depends";
309                 $depend =~ s/^([@\+]+)//;
310                 my $flags = $1;
311                 my $vdep;
312         
313                 if ($vdep = $package{$depend}->{vdepends}) {
314                         $depend = join("||", map { "PACKAGE_".$_ } @$vdep);
315                 } else {
316                         $flags =~ /\+/ and do {
317                                 next if $only_dep;
318                                 $m = "select";
319
320                                 # Menuconfig will not treat 'select FOO' as a real dependency
321                                 # thus if FOO depends on other config options, these dependencies
322                                 # will not be checked. To fix this, we simply emit all of FOO's
323                                 # depends here as well.
324                                 $package{$depend} and $res .= mconf_depends($package{$depend}->{depends}, 1);
325                         };
326                         $flags =~ /@/ or $depend = "PACKAGE_$depend";
327                 }
328                 $res .= "\t\t$m $depend\n";
329         }
330         return $res;
331 }
332
333 sub print_package_config_category($) {
334         my $cat = shift;
335         my %menus;
336         my %menu_dep;
337         
338         return unless $category{$cat};
339         
340         print "menu \"$cat\"\n\n";
341         my %spkg = %{$category{$cat}};
342         
343         foreach my $spkg (sort {uc($a) cmp uc($b)} keys %spkg) {
344                 foreach my $pkg (@{$spkg{$spkg}}) {
345                         my $menu = $pkg->{submenu};
346                         if ($menu) {
347                                 $menu_dep{$menu} or $menu_dep{$menu} = $pkg->{submenudep};
348                         } else {
349                                 $menu = 'undef';
350                         }
351                         $menus{$menu} or $menus{$menu} = [];
352                         push @{$menus{$menu}}, $pkg;
353                         print "\tconfig DEFAULT_".$pkg->{name}."\n";
354                         print "\t\tbool\n\n";
355                 }
356         }
357         my @menus = sort {
358                 ($a eq 'undef' ?  1 : 0) or
359                 ($b eq 'undef' ? -1 : 0) or
360                 ($a cmp $b)
361         } keys %menus;
362
363         foreach my $menu (@menus) {
364                 my @pkgs = sort {
365                         package_depends($a, $b) or
366                         ($a->{name} cmp $b->{name})
367                 } @{$menus{$menu}};
368                 if ($menu ne 'undef') {
369                         $menu_dep{$menu} and print "if $menu_dep{$menu}\n";
370                         print "menu \"$menu\"\n";
371                 }
372                 foreach my $pkg (@pkgs) {
373                         my $title = $pkg->{name};
374                         my $c = (72 - length($pkg->{name}) - length($pkg->{title}));
375                         if ($c > 0) {
376                                 $title .= ("." x $c). " ". $pkg->{title};
377                         }
378                         print "\t";
379                         $pkg->{menu} and print "menu";
380                         print "config PACKAGE_".$pkg->{name}."\n";
381                         print "\t\t".($pkg->{tristate} ? 'tristate' : 'bool')." \"$title\"\n";
382                         print "\t\tdefault y if DEFAULT_".$pkg->{name}."\n";
383                         foreach my $default (split /\s*,\s*/, $pkg->{default}) {
384                                 print "\t\tdefault $default\n";
385                         }
386                         print mconf_depends($pkg->{depends}, 0);
387                         print "\t\thelp\n";
388                         print $pkg->{description};
389                         print "\n";
390
391                         $pkg->{config} and print $pkg->{config}."\n";
392                 }
393                 if ($menu ne 'undef') {
394                         print "endmenu\n";
395                         $menu_dep{$menu} and print "endif\n";
396                 }
397         }
398         print "endmenu\n\n";
399         
400         undef $category{$cat};
401 }
402
403 sub gen_package_config() {
404         parse_package_metadata($ARGV[0]) or exit 1;
405         print "menuconfig UCI_PRECONFIG\n\tbool \"Image configuration\"\n";
406         foreach my $preconfig (keys %preconfig) {
407                 foreach my $cfg (keys %{$preconfig{$preconfig}}) {
408                         my $conf = $preconfig{$preconfig}->{$cfg}->{id};
409                         $conf =~ tr/\.-/__/;
410                         print <<EOF
411         config UCI_PRECONFIG_$conf
412                 string "$preconfig{$preconfig}->{$cfg}->{label}" if UCI_PRECONFIG
413                 depends PACKAGE_$preconfig
414                 default "$preconfig{$preconfig}->{$cfg}->{default}"
415
416 EOF
417                 }
418         }
419         print_package_config_category 'Base system';
420         foreach my $cat (keys %category) {
421                 print_package_config_category $cat;
422         }
423 }
424
425 sub gen_package_mk() {
426         my %conf;
427         my %dep;
428         my $line;
429
430         parse_package_metadata($ARGV[0]) or exit 1;
431         foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
432                 my $config;
433                 my $pkg = $package{$name};
434                 
435                 next if defined $pkg->{vdepends};
436                 if ($ENV{SDK}) {
437                         $conf{$pkg->{src}} or do {
438                                 $config = 'm';
439                                 $conf{$pkg->{src}} = 1;
440                         };
441                 } else {
442                         $config = "\$(CONFIG_PACKAGE_$name)"
443                 }
444                 if ($config) {
445                         print "package-$config += $pkg->{subdir}$pkg->{src}\n";
446                         $pkg->{prereq} and print "prereq-$config += $pkg->{subdir}$pkg->{src}\n";
447                 }
448         
449                 my $hasdeps = 0;
450                 my $depline = "";
451                 foreach my $dep (@{$pkg->{depends}}, @{$pkg->{builddepends}}) {
452                         next if $dep =~ /@/;
453                         $dep =~ s/\+//;
454                         my $idx;
455                         my $pkg_dep = $package{$dep};
456                         next if defined $pkg_dep->{vdepends};
457
458                         if (defined $pkg_dep->{src}) {
459                                 ($pkg->{src} ne $pkg_dep->{src}) and $idx = $pkg_dep->{subdir}.$pkg_dep->{src};
460                         } elsif (defined($srcpackage{$dep})) {
461                                 $idx = $subdir{$dep}.$dep;
462                         }
463                         undef $idx if $idx =~ /^(kernel)|(base-files)$/;
464                         if ($idx) {
465                                 next if $dep{$pkg->{src}."->".$idx};
466                                 $depline .= " \$(curdir)/$idx/compile";
467                                 $dep{$pkg->{src}."->".$idx} = 1;
468                         }
469                 }
470                 if ($depline) {
471                         $line .= "\$(curdir)/".$pkg->{subdir}."$pkg->{src}/compile += $depline\n";
472                 }
473         }
474         
475         if ($line ne "") {
476                 print "\n$line";
477         }
478         foreach my $preconfig (keys %preconfig) {
479                 my $cmds;
480                 foreach my $cfg (keys %{$preconfig{$preconfig}}) {
481                         my $conf = $preconfig{$preconfig}->{$cfg}->{id};
482                         $conf =~ tr/\.-/__/;
483                         $cmds .= "\techo \"uci set '$preconfig{$preconfig}->{$cfg}->{id}=\$(subst \",,\$(CONFIG_UCI_PRECONFIG_$conf))'\"; \\\n";
484                 }
485                 next unless $cmds;
486                 print <<EOF
487
488 \$(TARGET_DIR)/etc/uci-defaults/$preconfig: FORCE
489         ( \\
490 $cmds \\
491         ) > \$@
492         
493 ifneq (\$(UCI_PRECONFIG)\$(CONFIG_UCI_PRECONFIG),)
494   package/preconfig: \$(TARGET_DIR)/etc/uci-defaults/$preconfig
495 endif
496 EOF
497         }
498 }
499
500
501 sub parse_command() {
502         my $cmd = shift @ARGV;
503         for ($cmd) {
504                 /^target_config$/ and return gen_target_config();
505                 /^package_mk$/ and return gen_package_mk();
506                 /^package_config$/ and return gen_package_config();
507                 /^kconfig/ and return gen_kconfig_overrides();
508         }
509         print <<EOF
510 Available Commands:
511         $0 target_config [file]         Target metadata in Kconfig format
512         $0 package_mk [file]            Package metadata in makefile format
513         $0 package_config [file]        Package metadata in Kconfig format
514         $0 kconfig [file] [config]      Kernel config overrides
515
516 EOF
517 }
518
519 parse_command();