[PATCH v2 2/6] scripts/Makefile.lib: Add dtsi include files as deps for building DTB

[Sughosh Ganu]

At the time of building the DTB, some dtsi files can be selected for
inclusion. Have these dtsi files as dependencies for the DTB
target. This also ensures generation or updating the dtsi files if
need be.

Signed-off-by: Sughosh Ganu <sughosh.ganu at linaro.org>
---
Changes since V1:
* New patch which only sets the dependencies for the dtb build.

 scripts/Makefile.lib | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 368b5a3e28..8c5e25c31c 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -334,7 +334,9 @@ cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \
 		; \
 	sed "s:$(pre-tmp):$(<):" $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)
 
-$(obj)/%.dtb: $(src)/%.dts $(DTC) FORCE
+dtsi_include_list_deps = $(addprefix $(obj)/,$(subst $(quote),,$(dtsi_include_list)))
+
+$(obj)/%.dtb: $(src)/%.dts $(DTC) $(dtsi_include_list_deps) FORCE
 	$(call if_changed_dep,dtc)
 
 pre-tmp = $(subst $(comma),_,$(dot-target).pre.tmp)
-- 
2.34.1