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Improved build rule generation for Android flatbuffer headers.

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* Added the ability to create a build target for generated headers.
* Made it possible for generated header targets to depend upon each
  other or arbitrary build targets.

Tested:
Verified some pretty complex libraries with numerous flatbuffer schema
dependencies build using this macro on Linux with the NDK.
Bug: 25188384

Change-Id: I846855a50808e58c34cdf7086e93e7ea0df69e0d
This commit is contained in:
Stewart Miles
2015-10-22 11:51:33 -07:00
parent 07478a6700
commit ed88f7de96
1 changed files with 27 additions and 6 deletions
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25
android/jni/include.mk
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@@ -164,7 +164,18 @@ $(eval \
endef endef
# $(flatbuffers_header_build_rules schema_files,schema_dir,output_dir,\ # $(flatbuffers_header_build_rules schema_files,schema_dir,output_dir,\
# schema_include_dirs,src_files)) # schema_include_dirs,src_files,[build_target],[dependencies]))
#
# $(1) schema_files: Space separated list of flatbuffer schema files.
# $(2) schema_dir: Directory containing the flatbuffer schemas.
# $(3) output_dir: Where to place the generated files.
# $(4) schema_include_dirs: Directories to include when generating schemas.
# $(5) src_files: Files that should depend upon the headers generated from the
# flatbuffer schemas.
# $(6) build_target: Name of a build target that depends upon all generated
# headers.
# $(7) dependencies: Space seperated list of additional build targets src_files
# should depend upon.
# #
# Use this in your own Android.mk file to generate build rules that will # Use this in your own Android.mk file to generate build rules that will
# generate header files for your flatbuffer schemas as well as automatically # generate header files for your flatbuffer schemas as well as automatically
@@ -180,7 +191,17 @@ $(foreach schema,$(1),\
$(foreach src,$(strip $(5)),\ $(foreach src,$(strip $(5)),\
$(eval $(PORTABLE_LOCAL_PATH)$$(src): \ $(eval $(PORTABLE_LOCAL_PATH)$$(src): \
$(foreach schema,$(strip $(1)),\ $(foreach schema,$(strip $(1)),\
$(call flatbuffers_fbs_to_h,$(strip $(2)),$(strip $(3)),$(schema))))) $(call flatbuffers_fbs_to_h,$(strip $(2)),$(strip $(3)),$(schema)))))\
$(if $(6),\
$(foreach schema,$(strip $(1)),\
$(eval $(6): \
$(call flatbuffers_fbs_to_h,$(strip $(2)),$(strip $(3)),$(schema)))),)\
$(if $(7),\
$(foreach src,$(strip $(5)),\
$(eval $(PORTABLE_LOCAL_PATH)$$(src): $(strip $(7)))),)\
$(if $(7),\
$(foreach dependency,$(strip $(7)),\
$(eval $(6): $(dependency))),)
endef endef
endif # FLATBUFFERS_INCLUDE_MK_ endif # FLATBUFFERS_INCLUDE_MK_