зеркало из https://github.com/mozilla/gecko-dev.git
87 строки
3.2 KiB
Makefile
87 строки
3.2 KiB
Makefile
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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STANDALONE_MAKEFILE := 1
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include $(topsrcdir)/config/rules.mk
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# Building XPIDLs effectively consists of two steps:
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#
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# 1) Staging all .idl files to a common directory.
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# 2) Doing everything with the .idl files.
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#
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# Each .idl file is processed into a .h file and typelib information.
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# The .h file shares the same stem as the input file and is installed
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# in the common headers include directory.
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#
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# XPIDL files are logically grouped together by modules. The typelib
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# information for all XPIDLs in the same module is linked together into
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# an .xpt file having the name of the module.
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#
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# As an optimization to reduce overall CPU usage, we process all .idl
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# belonging to a module with a single command invocation. This prevents
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# redundant parsing of .idl files and significantly reduces CPU cycles.
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# For dependency files.
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idl_deps_dir := .deps
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dist_idl_dir := $(DIST)/idl
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dist_include_dir := $(DIST)/include
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dist_xpcrs_dir := $(DIST)/xpcrs
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process_py := $(topsrcdir)/python/mozbuild/mozbuild/action/xpidl-process.py
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generated_file := $(topobjdir)/xpcom/reflect/xptinfo/xptdata.cpp
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code_gen_py := $(topsrcdir)/xpcom/reflect/xptinfo/xptcodegen.py
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code_gen_deps := $(topsrcdir)/xpcom/ds/tools/perfecthash.py
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# TODO we should use py_action, but that would require extra directories to be
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# in the virtualenv.
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%.xpt:
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$(REPORT_BUILD)
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$(PYTHON_PATH) $(PLY_INCLUDE) -I$(topsrcdir)/xpcom/idl-parser -I$(DEPTH)/xpcom/idl-parser/xpidl \
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$(process_py) --cache-dir $(DEPTH)/xpcom/idl-parser/xpidl --depsdir $(idl_deps_dir) \
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--bindings-conf $(topsrcdir)/dom/bindings/Bindings.conf \
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$(foreach dir,$(all_idl_dirs),-I $(dir)) \
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$(dist_include_dir) $(dist_xpcrs_dir) $(@D) \
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$(basename $(notdir $@)) $($(basename $(notdir $@))_deps)
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# When some IDL is added or removed, if the actual IDL file was already, or
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# still is, in the tree, simple dependencies can't detect that the XPT needs
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# to be rebuilt.
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# Add the current value of $($(xpidl_module)_deps) in the depend file, such that
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# we can later check if the value has changed since last build, which will
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# indicate whether IDLs were added or removed.
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# Note that removing previously built files is not covered.
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@echo $(basename $(notdir $@))_deps_built = $($(basename $(notdir $@))_deps) >> $(idl_deps_dir)/$(basename $(notdir $@)).pp
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xpidl_modules := @xpidl_modules@
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xpt_files := $(addsuffix .xpt,$(xpidl_modules))
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@xpidl_rules@
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depends_files := $(foreach root,$(xpidl_modules),$(idl_deps_dir)/$(root).pp)
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GARBAGE += $(xpt_files) $(depends_files) $(generated_file)
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ifdef COMPILE_ENVIRONMENT
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xpidl:: $(generated_file)
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endif
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$(xpt_files): $(process_py) $(call mkdir_deps,$(idl_deps_dir) $(dist_include_dir) $(dist_xpcrs_dir))
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$(generated_file): $(xpt_files) $(code_gen_py) $(code_gen_deps)
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$(REPORT_BUILD)
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$(PYTHON_PATH) $(PLY_INCLUDE) $(code_gen_py) $(generated_file) $(xpt_files)
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-include $(depends_files)
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define xpt_deps
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$(1): $(call mkdir_deps,$(dir $(1)))
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ifneq ($($(basename $(notdir $(1)))_deps),$($(basename $(notdir $(1)))_deps_built))
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$(1): FORCE
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endif
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endef
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$(foreach xpt,$(xpt_files),$(eval $(call xpt_deps,$(xpt))))
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.PHONY: xpidl
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