--- zzzz-none-000/linux-4.19.183/scripts/mod/Makefile	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/scripts/mod/Makefile	2023-06-28 08:54:21.000000000 +0000
@@ -1,5 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0
 OBJECT_FILES_NON_STANDARD := y
+#ifdef BCM_KF # defined(CONFIG_BCM_KF_MISC_MAKEFILE)
+.NOTPARALLEL:
+#endif
 
 hostprogs-y	:= modpost mk_elfconfig
 always		:= $(hostprogs-y) empty.o