Makefile: Avoid running dtoc every time
Since the dst_dir rule always runs, it causes a rebuild of the of-platdata
files even if not needed.
Create the directory inside the rule instead.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/scripts/Makefile.spl b/scripts/Makefile.spl
index 849e9c7..4f5876d 100644
--- a/scripts/Makefile.spl
+++ b/scripts/Makefile.spl
@@ -330,12 +330,10 @@
include/generated/dt-structs-gen.h prepare FORCE
$(call if_changed,plat)
-PHONY += dts_dir
-dts_dir:
- $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
-
+# Don't use dts_dir here, since it forces running this expensive rule every time
include/generated/dt-structs-gen.h $(u-boot-spl-platdata_c) &: \
- $(obj)/$(SPL_BIN).dtb dts_dir FORCE
+ $(obj)/$(SPL_BIN).dtb
+ @[ -d $(obj)/dts ] || mkdir -p $(obj)/dts
$(call if_changed,dtoc)
ifdef CONFIG_SAMSUNG
@@ -476,6 +474,10 @@
$(obj)/dts/dt-$(SPL_NAME).dtb: dts/dt.dtb
$(Q)$(MAKE) $(build)=$(obj)/dts spl_dtbs
+PHONY += dts_dir
+dts_dir:
+ $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
+
# Declare the contents of the .PHONY variable as phony. We keep that
# information in a variable so we can use it in if_changed and friends.
.PHONY: $(PHONY)