add PROVIDES option, currently only used for menuconfig

[openwrt/openwrt.git] / scripts / gen_menuconfig.pl

diff --git a/scripts/gen_menuconfig.pl b/scripts/gen_menuconfig.pl
index fe0dc27636d2fca84fe301d1d2009b08111c522e..2a2511212bb6ac232e47b8a19383a4db4c8b8a29 100755 (executable)
--- a/scripts/gen_menuconfig.pl
+++ b/scripts/gen_menuconfig.pl
@@ -30,9 +30,10 @@ sub close_submenu {
 sub find_dep($$) {
        my $pkg = shift;
        my $name = shift;
-       
-       return 0 unless defined $pkg->{depends};
-       foreach my $dep (@{$pkg->{depends}}) {
+       my $deps = ($pkg->{vdepends} or $pkg->{depends});
+
+       return 0 unless defined $deps;
+       foreach my $dep (@{$deps}) {
                return 1 if $dep eq $name;
                return 1 if ($package{$dep} and (find_dep($package{$dep},$name) == 1));
        }
@@ -43,13 +44,13 @@ sub depends($$) {
        my $a = shift;
        my $b = shift;
        my $ret;
-       
+
        if (find_dep($a, $b->{name}) == 1) {
                $ret = 1;
        } elsif (find_dep($b, $a->{name}) == 1) {
                $ret = -1;
        } else {
-               $ret = 0;
+               return 0;
        }
 #      print STDERR "depends($a->{name}, $b->{name}) == $ret\n";
        return $ret;
@@ -93,8 +94,14 @@ sub print_category($) {
                                my $m = "depends";
                                $depend =~ s/^([@\+]+)//;
                                my $flags = $1;
-                               $flags =~ /@/ or $depend = "PACKAGE_$depend";
-                               $flags =~ /\+/ and $m = "select";
+                               my $vdep;
+                               
+                               if ($vdep = $package{$depend}->{vdepends}) {
+                                       $depend = join("||", map { "PACKAGE_".$_ } @$vdep);
+                               } else {
+                                       $flags =~ /@/ or $depend = "PACKAGE_$depend";
+                                       $flags =~ /\+/ and $m = "select";
+                               }
                                print "\t\t$m $depend\n";
                        }
                        print "\t\thelp\n";
@@ -132,6 +139,13 @@ while ($line = <>) {
        $line =~ /^Submenu: \s*(.+)\s*$/ and $pkg->{submenu} = $1;
        $line =~ /^Submenu-Depends: \s*(.+)\s*$/ and $pkg->{submenudep} = $1;
        $line =~ /^Default: \s*(.+)\s*$/ and $pkg->{default} = $1;
+       $line =~ /^Provides: \s*(.+)\s*$/ and do {
+               my @vpkg = split /\s+/, $1;
+               foreach my $vpkg (@vpkg) {
+                       $package{$vpkg} or $package{$vpkg} = { vdepends => [] };
+                       push @{$package{$vpkg}->{vdepends}}, $pkg->{name};
+               }
+       };
        $line =~ /^Depends: \s*(.+)\s*$/ and do {
                my @dep = split /\s+/, $1;
                $pkg->{depends} = \@dep;