build system: introduce a new feature called build variants. it allows building a...

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

diff --git a/scripts/metadata.pl b/scripts/metadata.pl
index 2da8851171fa43c4bb6aaf7ddec30c92ae311726..26d878cc9ed0d64685b2285f109c81e9e0f02ee5 100755 (executable)
--- a/scripts/metadata.pl
+++ b/scripts/metadata.pl
@@ -225,25 +225,26 @@ EOF
        }
        if (@{$target->{subtargets}} > 0) {
                $confstr .= "\tselect HAS_SUBTARGETS\n";
-       } else {
+       }
+
+       if ($target->{arch} =~ /\w/) {
                $confstr .= "\tselect $target->{arch}\n";
-               foreach my $dep (@{$target->{depends}}) {
-                       my $mode = "depends";
-                       my $flags;
-                       my $name;
-
-                       $dep =~ /^([@\+\-]+)(.+)$/;
-                       $flags = $1;
-                       $name = $2;
-
-                       next if $name =~ /:/;
-                       $flags =~ /-/ and $mode = "deselect";
-                       $flags =~ /\+/ and $mode = "select";
-                       $flags =~ /@/ and $confstr .= "\t$mode $name\n";
-               }
-               $confstr .= $features;
        }
+       foreach my $dep (@{$target->{depends}}) {
+               my $mode = "depends";
+               my $flags;
+               my $name;
 
+               $dep =~ /^([@\+\-]+)(.+)$/;
+               $flags = $1;
+               $name = $2;
+
+               next if $name =~ /:/;
+               $flags =~ /-/ and $mode = "deselect";
+               $flags =~ /\+/ and $mode = "select";
+               $flags =~ /@/ and $confstr .= "\t$mode $name\n";
+       }
+       $confstr .= $features;
        $confstr .= "$help\n\n";
        print $confstr;
 }
@@ -619,6 +620,9 @@ sub gen_package_mk() {
                if ($config) {
                        $pkg->{buildonly} and $config = "";
                        print "package-$config += $pkg->{subdir}$pkg->{src}\n";
+                       if ($pkg->{variant}) {
+                               print "\$(curdir)/$pkg->{subdir}$pkg->{src}/variants += \$(if $config,$pkg->{variant})\n"
+                       }
                        $pkg->{prereq} and print "prereq-$config += $pkg->{subdir}$pkg->{src}\n";
                }