openwrt/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 $prereq;
  18 my %dep;
  19 my %options;
  20 my $opt;
  21
  22 while ($opt = shift @ARGV) {
  23         $opt =~ /^-s/ and $options{SDK} = 1;
  24 }
  25
  26 my $line;
  27 while ($line = <>) {
  28         chomp $line;
  29         $line =~ /^Source-Makefile: \s*(.+\/([^\/]+)\/Makefile)\s*$/ and do {
  30                 $makefile = $1;
  31                 $src = $2;
  32         };
  33         $line =~ /^Package: \s*(.+)\s*$/ and do {
  34                 $name = $1;
  35                 defined $pkg{$name} or $pkg{$name} = {};
  36                 $pkg{$name}->{src} = $src;
  37         };
  38         $line =~ /^Prereq-Check:/ and !defined $prereq{$src} and do {
  39                 $prereq{$src} = 1;
  40                 $prereq .= "package-prereq += $src\n";
  41         };
  42         $line =~ /^(Build-)?Depends: \s*(.+)\s*$/ and do {
  43                 $pkg{$name}->{depends} ||= [];
  44                 foreach my $v (split /\s+/, $2) {
  45                         next if $v =~ /^[\+]?@/;
  46                         $v =~ s/^\+//;
  47                         push @{$pkg{$name}->{depends}}, $v;
  48                 }
  49         };
  50 }
  51
  52 $line="";
  53
  54 foreach $name (sort {uc($a) cmp uc($b)} keys %pkg) {
  55         if ($options{SDK}) {
  56                 $conf{$pkg{$name}->{src}} or print "package-m += $pkg{$name}->{src}\n";
  57                 $conf{$pkg{$name}->{src}} = 1;
  58         } else {
  59                 print "package-\$(CONFIG_PACKAGE_$name) += $pkg{$name}->{src}\n";
  60         }
  61
  62         my $hasdeps = 0;
  63         my $depline = "";
  64         foreach my $dep (@{$pkg{$name}->{depends}}) {
  65                 my $idx;
  66                 if (defined $pkg{$dep}->{src}) {
  67                         ($pkg{$name}->{src} ne $pkg{$dep}->{src}) and $idx = $pkg{$dep}->{src};
  68                 } elsif (defined($pkg{$dep}) && !$options{SDK}) {
  69                         $idx = $dep;
  70                 }
  71                 undef $idx if $idx =~ /^(kernel)|(base-files)$/;
  72                 if ($idx) {
  73                         next if $dep{$pkg{$name}->{src}."->".$idx};
  74                         $depline .= " $idx\-compile";
  75                         $dep{$pkg{$name}->{src}."->".$idx} = 1;
  76                 }
  77         }
  78         if ($depline ne "") {
  79                 $line .= "$pkg{$name}->{src}-compile: $depline\n";
  80         }
  81 }
  82
  83 if ($line ne "") {
  84         print "\n$line\n$prereq";
  85 }