--- zzzz-none-000/linux-4.1.52/scripts/Makefile.lib	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/scripts/Makefile.lib	2022-03-02 11:37:14.000000000 +0000
@@ -101,8 +101,13 @@
 modname_flags  = $(if $(filter 1,$(words $(modname))),\
                  -D"KBUILD_MODNAME=KBUILD_STR($(call name-fix,$(modname)))")
 
+ifdef BCM_KF # defined(CONFIG_BCM_KF_MISC_MAKEFILE)
+orig_c_flags   = $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(KBUILD_SUBDIR_CCFLAGS) \
+                 $(BCM_KBUILD_CMDLINE_FLAGS) $(ccflags-y) $(CFLAGS_$(basetarget).o)
+else # BCM_KF
 orig_c_flags   = $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(KBUILD_SUBDIR_CCFLAGS) \
                  $(ccflags-y) $(CFLAGS_$(basetarget).o)
+endif # BCM_KF
 _c_flags       = $(filter-out $(CFLAGS_REMOVE_$(basetarget).o), $(orig_c_flags))
 _a_flags       = $(KBUILD_CPPFLAGS) $(KBUILD_AFLAGS) $(KBUILD_SUBDIR_ASFLAGS) \
                  $(asflags-y) $(AFLAGS_$(basetarget).o)