Provide a .SECONDARY entry for these intermediate files. Otherwise make deletes them, and these files are regenerated for every rebuild. Signed-off-by: Jayachandran C <jchandra@xxxxxxxxxxxx> --- arch/mips/netlogic/dts/Makefile | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/arch/mips/netlogic/dts/Makefile b/arch/mips/netlogic/dts/Makefile index 67ae3fe2..40502ff 100644 --- a/arch/mips/netlogic/dts/Makefile +++ b/arch/mips/netlogic/dts/Makefile @@ -1,4 +1,14 @@ -obj-$(CONFIG_DT_XLP_EVP) := xlp_evp.dtb.o +DTS_FILE = xlp_evp.dts +DTB_FILE = $(patsubst %.dts, %.dtb, $(DTS_FILE)) -$(obj)/%.dtb: $(obj)/%.dts - $(call if_changed,dtc) +# built-in dtb +obj-$(CONFIG_DT_XLP_EVP) := $(DTB_FILE).o + +$(obj)/%.dtb: $(src)/%.dts + $(call if_changed_dep,dtc) + +# Keep intermediate files .dtb and .dtb.S, delete them only at make clean +KEEP_FILES = $(DTB_FILE) $(DTB_FILE).S +clean-files += $(KEEP_FILES) + +.SECONDARY: $(addprefix $(obj)/, $(KEEP_FILES)) -- 1.7.9.5
