diff --git a/package/samba4/samba4.mk b/package/samba4/samba4.mk
index 203d0d1371..99c8af9ab2 100644
--- a/package/samba4/samba4.mk
+++ b/package/samba4/samba4.mk
@@ -103,6 +103,7 @@ SAMBA4_POST_INSTALL_TARGET_HOOKS += SAMBA4_REMOVE_CTDB_TESTS
 
 define SAMBA4_CONFIGURE_CMDS
 	$(INSTALL) -m 0644 package/samba4/samba4-cache.txt $(@D)/cache.txt;
+	echo 'Checking whether fcntl supports setting/geting hints: $(if $(BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_13),OK,NO)' >>$(@D)/cache.txt;
 	echo 'Checking uname machine type: $(BR2_ARCH)' >>$(@D)/cache.txt;
 	(cd $(@D); \
 		$(SAMBA4_PYTHON) \