build system: introduce a new feature called build variants.

[openwrt.git] / scripts / metadata.pl

diff --git a/scripts/metadata.pl b/scripts/metadata.pl
index ca00fca..26d878c 100755 (executable)
--- a/scripts/metadata.pl
+++ b/scripts/metadata.pl
@@ -620,6 +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";
                }