- use BR2_INET_IPV6

package/busybox/busybox.mk

@@ -74,6 +74,11 @@ else
 	$(SED) "s/^.*CONFIG_LFS.*/CONFIG_LFS=n/;" $(BUSYBOX_DIR)/.config
 	$(SED) "s/^.*FDISK_SUPPORT_LARGE_DISKS.*/FDISK_SUPPORT_LARGE_DISKS=n/;" $(BUSYBOX_DIR)/.config
 endif
+ifeq ($(BR2_INET_IPV6),y)
+	$(SED) "s/^.*CONFIG_FEATURE_IPV6.*/CONFIG_FEATURE_IPV6=y/;" $(BUSYBOX_DIR)/.config
+else
+	$(SED) "s/^.*CONFIG_FEATURE_IPV6.*/CONFIG_FEATURE_IPV6=n/;" $(BUSYBOX_DIR)/.config
+endif
 ifeq ($(BR2_PACKAGE_BUSYBOX_SKELETON),y)
 	# force mdev on
 	$(SED) "s/^.*CONFIG_MDEV.*/CONFIG_MDEV=y/" $(BUSYBOX_DIR)/.config