scripts/gen_deps.pl

   1 #!/usr/bin/perl
   2 #
   3 # Copyright (C) 2006 OpenWrt.org
   4 #
   5 # This is free software, licensed under the GNU General Public License v2.
   6 # See /LICENSE for more information.
   7 #
   8
   9 use strict;
  10
  11 my $name;
  12 my $src;
  13 my $makefile;
  14 my %conf;
  15 my %pkg;
  16 my %prereq;
  17 my %dep;
  18 my %options;
  19 my $opt;
  20
  21 while ($opt = shift @ARGV) {
  22         $opt =~ /^-s/ and $options{SDK} = 1;
  23 }
  24
  25 my $line;
  26 while ($line = <>) {
  27         chomp $line;
  28         $line =~ /^Source-Makefile: \s*(.+\/([^\/]+)\/Makefile)\s*$/ and do {
  29                 $makefile = $1;
  30                 $src = $2;
  31         };
  32         $line =~ /^Package: \s*(.+)\s*$/ and do {
  33                 $name = $1;
  34                 defined $pkg{$name} or $pkg{$name} = {};
  35                 $pkg{$name}->{src} = $src;
  36         };
  37         $line =~ /^Provides: \s*(.+)\s*$/ and do {
  38                 foreach my $vpkg (split /\s+/, $1) {
  39                         defined $pkg{$vpkg} or $pkg{$vpkg} = {};
  40                         $pkg{$vpkg}->{virtual} = 1;
  41                 }
  42         };
  43         $line =~ /^Prereq-Check:/ and !defined $prereq{$src} and do {
  44                 $pkg{$name}->{prereq} = 1;
  45         };
  46         $line =~ /^(Build-)?Depends: \s*(.+)\s*$/ and do {
  47                 $pkg{$name}->{depends} ||= [];
  48                 foreach my $v (split /\s+/, $2) {
  49                         next if $v =~ /^[\+]?@/;
  50                         $v =~ s/^\+//;
  51                         push @{$pkg{$name}->{depends}}, $v;
  52                 }
  53         };
  54 }
  55
  56 $line="";
  57
  58 foreach $name (sort {uc($a) cmp uc($b)} keys %pkg) {
  59         my $config;
  60
  61         next if defined $pkg{$name}->{virtual};
  62         if ($options{SDK}) {
  63                 $conf{$pkg{$name}->{src}} or do {
  64                         $config = 'm';
  65                         $conf{$pkg{$name}->{src}} = 1;
  66                 };
  67         } else {
  68                 $config = "\$(CONFIG_PACKAGE_$name)"
  69         }
  70         if ($config) {
  71                 print "package-$config += $pkg{$name}->{src}\n";
  72                 $pkg{$name}->{prereq} and print "prereq-$config += $pkg{$name}->{src}\n";
  73         }
  74
  75         my $hasdeps = 0;
  76         my $depline = "";
  77         foreach my $dep (@{$pkg{$name}->{depends}}) {
  78                 my $idx;
  79                 next if defined $pkg{$dep}->{virtual};
  80                 if (defined $pkg{$dep}->{src}) {
  81                         ($pkg{$name}->{src} ne $pkg{$dep}->{src}) and $idx = $pkg{$dep}->{src};
  82                 } elsif (defined($pkg{$dep}) && !$options{SDK}) {
  83                         $idx = $dep;
  84                 }
  85                 undef $idx if $idx =~ /^(kernel)|(base-files)$/;
  86                 if ($idx) {
  87                         next if $dep{$pkg{$name}->{src}."->".$idx};
  88                         $depline .= " $idx\-compile";
  89                         $dep{$pkg{$name}->{src}."->".$idx} = 1;
  90                 }
  91         }
  92         if ($depline ne "") {
  93                 $line .= "$pkg{$name}->{src}-compile: $depline\n";
  94         }
  95 }
  96
  97 if ($line ne "") {
  98         print "\n$line";
  99 }