diff options
author | Yann Gautier <yann.gautier@st.com> | 2018-06-18 16:00:23 +0200 |
---|---|---|
committer | Yann Gautier <yann.gautier@st.com> | 2018-06-18 16:05:16 +0200 |
commit | 01d237cb70f00b4647a9dbef7301801071626b35 (patch) | |
tree | 849a1c503ffc3201323d45a087cc2c4f17fdcb30 /make_helpers | |
parent | 841cb4f7251258010344dfa7bcd5f3faa51eb532 (diff) |
Build: add cpp build processing for dtb
This is an add-on feature that allows processing
device tree with external includes.
"-Iinclude" is also added to INCLUDES.
It allows inclusion of dt-bindings files either in dts files or drivers,
as those files will be in include/dt-bindings/.
"-i fdts" is added to the DTC command line.
As the pre-processed files are in build directory, the DT source directory
has to be explicitely included, to manages /include/ directives.
fixes arm-software/tf-issues#595
Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Diffstat (limited to 'make_helpers')
-rw-r--r-- | make_helpers/build_macros.mk | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/make_helpers/build_macros.mk b/make_helpers/build_macros.mk index cac9dfc4..2a6ded49 100644 --- a/make_helpers/build_macros.mk +++ b/make_helpers/build_macros.mk @@ -372,11 +372,14 @@ endef define MAKE_DTB $(eval DOBJ := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) +$(eval DPRE := $(addprefix $(1)/,$(patsubst %.dts,%.pre.dts,$(notdir $(2))))) $(eval DEP := $(patsubst %.dtb,%.d,$(DOBJ))) $(DOBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | fdt_dirs + @echo " CPP $$<" + $$(Q)$$(CPP) $$(CPPFLAGS) -x assembler-with-cpp -o $(DPRE) $$< @echo " DTC $$<" - $$(Q)$$(DTC) $$(DTC_FLAGS) -d $(DEP) -o $$@ $$< + $$(Q)$$(DTC) $$(DTC_FLAGS) -i fdts -d $(DEP) -o $$@ $(DPRE) -include $(DEP) |