--- lib/Makefile

+++ lib/Makefile

@@ -113,6 +113,9 @@ obj-$(CONFIG_AVERAGE) += average.o

obj-$(CONFIG_CPU_RMAP) += cpu_rmap.o

+obj-$(CONFIG_GENERIC_STRNCPY_FROM_USER) += strncpy_from_user.o

+obj-$(CONFIG_GENERIC_STRNLEN_USER) += strnlen_user.o

+

hostprogs-y := gen_crc32table

clean-files := crc32table.h