add PROVIDES option, currently only used for menuconfig

[openwrt.git] / scripts / gen_deps.pl

diff --git a/scripts/gen_deps.pl b/scripts/gen_deps.pl
index a910a99..af206f0 100755 (executable)
--- a/scripts/gen_deps.pl
+++ b/scripts/gen_deps.pl
@@ -1,10 +1,26 @@
 #!/usr/bin/perl
 #!/usr/bin/perl

+# 
+# Copyright (C) 2006 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+

 use strict;
 
 my $name;
 my $src;
 my $makefile;
 use strict;
 
 my $name;
 my $src;
 my $makefile;

+my %conf;

 my %pkg;
 my %pkg;

+my %prereq;
+my %dep;
+my %options;
+my $opt;
+
+while ($opt = shift @ARGV) {
+       $opt =~ /^-s/ and $options{SDK} = 1;
+}

 
 my $line;
 while ($line = <>) {
 
 my $line;
 while ($line = <>) {


@@ -18,22 +34,66 @@ while ($line = <>) {
                defined $pkg{$name} or $pkg{$name} = {};
                $pkg{$name}->{src} = $src;
        };
                defined $pkg{$name} or $pkg{$name} = {};
                $pkg{$name}->{src} = $src;
        };

-       $line =~ /^Depends: \s*(.+)\s*$/ and do {
-               my @dep = split /,\s*/, $1;
-               $pkg{$name}->{depends} = \@dep;
+       $line =~ /^Provides: \s*(.+)\s*$/ and do {
+               foreach my $vpkg (split /\s+/, $1) {
+                       defined $pkg{$vpkg} or $pkg{$vpkg} = {};
+                       $pkg{$vpkg}->{virtual} = 1;
+               }
+       };
+       $line =~ /^Prereq-Check:/ and !defined $prereq{$src} and do {
+               $pkg{$name}->{prereq} = 1;
+       };
+       $line =~ /^(Build-)?Depends: \s*(.+)\s*$/ and do {
+               $pkg{$name}->{depends} ||= [];
+               foreach my $v (split /\s+/, $2) {
+                       next if $v =~ /^[\+]?@/;
+                       $v =~ s/^\+//;
+                       push @{$pkg{$name}->{depends}}, $v;
+               }

        };
 }
 
        };
 }
 

+$line="";
+

 foreach $name (sort {uc($a) cmp uc($b)} keys %pkg) {
 foreach $name (sort {uc($a) cmp uc($b)} keys %pkg) {

+       my $config;
+       
+       next if defined $pkg{$name}->{virtual};
+       if ($options{SDK}) {
+               $conf{$pkg{$name}->{src}} or do {
+                       $config = 'm';
+                       $conf{$pkg{$name}->{src}} = 1;
+               };
+       } else {
+               $config = "\$(CONFIG_PACKAGE_$name)"
+       }
+       if ($config) {
+               print "package-$config += $pkg{$name}->{src}\n";
+               $pkg{$name}->{prereq} and print "prereq-$config += $pkg{$name}->{src}\n";
+       }
+

        my $hasdeps = 0;
        my $hasdeps = 0;

-       $line = "$pkg{$name}->{src}-compile:";
+       my $depline = "";

        foreach my $dep (@{$pkg{$name}->{depends}}) {
        foreach my $dep (@{$pkg{$name}->{depends}}) {

-               if (defined $pkg{$dep}->{src} && $pkg{$name}->{src} ne $pkg{$dep}->{src}) {
-                       $hasdeps = 1;
-                       $line .= " $pkg{$dep}->{src}-compile";
+               my $idx;
+               next if defined $pkg{$dep}->{virtual};
+               if (defined $pkg{$dep}->{src}) {
+                       ($pkg{$name}->{src} ne $pkg{$dep}->{src}) and $idx = $pkg{$dep}->{src};
+               } elsif (defined($pkg{$dep}) && !$options{SDK}) {
+                       $idx = $dep;
+               }
+               undef $idx if $idx =~ /^(kernel)|(base-files)$/;
+               if ($idx) {
+                       next if $dep{$pkg{$name}->{src}."->".$idx};
+                       $depline .= " $idx\-compile";
+                       $dep{$pkg{$name}->{src}."->".$idx} = 1;

                }
        }
                }
        }

-       if ($hasdeps) {
-               print "$line\n";
+       if ($depline ne "") {
+               $line .= "$pkg{$name}->{src}-compile: $depline\n";

        }
 }
        }
 }

+
+if ($line ne "") {
+       print "\n$line";
+}