gettext: warn that legal-info is not implemented

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/gettext/gettext.mk

@@ -113,6 +113,9 @@ $(STAGING_DIR)/$(GETTEXT_TARGET_BINARY): $(GETTEXT_DIR)/$(GETTEXT_BINARY)
 		autopoint envsubst gettext.sh gettextize msg* ?gettext)
 	touch -c $@
 
+gettext-legal-info:
+	@$(call legal-warning-pkg,gettext,legal-info not yet implemented)
+
 gettext: host-pkg-config $(if $(BR2_PACKAGE_LIBICONV),libiconv) $(STAGING_DIR)/$(GETTEXT_TARGET_BINARY)
 
 gettext-unpacked: $(GETTEXT_DIR)/.unpacked