+define Package/libustream-polarssl
+ $(Package/libustream/default)
+ TITLE += (polarssl)
+ DEPENDS += +libpolarssl
+ VARIANT:=polarssl
+ DEFAULT_VARIANT:=1
+endef
+
+define Package/libustream-mbedtls
+ $(Package/libustream/default)
+ TITLE += (mbedtls)
+ DEPENDS += +libmbedtls
+ VARIANT:=mbedtls
+ DEFAULT_VARIANT:=1
+endef
+