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Diffstat (limited to 'config/makefiles/xpidl/Makefile.in')
| -rw-r--r-- | config/makefiles/xpidl/Makefile.in | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/config/makefiles/xpidl/Makefile.in b/config/makefiles/xpidl/Makefile.in new file mode 100644 index 0000000000..96601d6cb9 --- /dev/null +++ b/config/makefiles/xpidl/Makefile.in @@ -0,0 +1,94 @@ +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. + +STANDALONE_MAKEFILE := 1 + +include $(topsrcdir)/config/rules.mk + +# Building XPIDLs effectively consists of two steps: +# +# 1) Staging all .idl files to a common directory. +# 2) Doing everything with the .idl files. +# +# Each .idl file is processed into a .h file and typelib information. +# The .h file shares the same stem as the input file and is installed +# in the common headers include directory. +# +# XPIDL files are logically grouped together by modules. The typelib +# information for all XPIDLs in the same module is linked together into +# an .xpt file having the name of the module. +# +# As an optimization to reduce overall CPU usage, we process all .idl +# belonging to a module with a single command invocation. This prevents +# redundant parsing of .idl files and significantly reduces CPU cycles. + +# For dependency files. +idl_deps_dir := .deps + +dist_idl_dir := $(DIST)/idl +dist_include_dir := $(DIST)/include +dist_xpcrs_dir := $(DIST)/xpcrs +stub_file := xptdata.stub +process_py := $(topsrcdir)/python/mozbuild/mozbuild/action/xpidl-process.py +target_file := $(topobjdir)/xpcom/reflect/xptinfo/xptdata.cpp +xptdata_h := $(dist_include_dir)/xptdata.h +generated_files := $(target_file) $(xptdata_h) +code_gen_py := $(topsrcdir)/xpcom/reflect/xptinfo/xptcodegen.py +code_gen_deps := $(topsrcdir)/xpcom/ds/tools/perfecthash.py + +# TODO we should use py_action, but that would require extra directories to be +# in the virtualenv. +%.xpt: + $(REPORT_BUILD) + $(call BUILDSTATUS,START_xpt $@) + $(PYTHON3) $(process_py) --depsdir $(idl_deps_dir) \ + --bindings-conf $(topsrcdir)/dom/bindings/Bindings.conf \ + $(foreach dir,$(all_idl_dirs),-I $(dir)) \ + $(dist_include_dir) $(dist_xpcrs_dir) $(@D) \ + $(basename $(notdir $@)) $($(basename $(notdir $@))_deps) +# When some IDL is added or removed, if the actual IDL file was already, or +# still is, in the tree, simple dependencies can't detect that the XPT needs +# to be rebuilt. +# Add the current value of $($(xpidl_module)_deps) in the depend file, such that +# we can later check if the value has changed since last build, which will +# indicate whether IDLs were added or removed. +# Note that removing previously built files is not covered. + @echo $(basename $(notdir $@))_deps_built = $($(basename $(notdir $@))_deps) >> $(idl_deps_dir)/$(basename $(notdir $@)).pp + $(call BUILDSTATUS,END_xpt $@) + +xpidl_modules := @xpidl_modules@ +xpt_files := $(addsuffix .xpt,$(xpidl_modules)) + +@xpidl_rules@ + +depends_files := $(foreach root,$(xpidl_modules),$(idl_deps_dir)/$(root).pp) + +ifdef COMPILE_ENVIRONMENT +xpidl:: $(generated_files) +endif + +# See bug 1420119 for why we need the semicolon. +$(target_file) $(xptdata_h) : $(stub_file) ; + +$(xpt_files): $(process_py) $(call mkdir_deps,$(idl_deps_dir) $(dist_include_dir) $(dist_xpcrs_dir)) + +$(stub_file) : $(xpt_files) $(code_gen_py) $(code_gen_deps) + $(REPORT_BUILD) + $(call BUILDSTATUS,START_xpt $(notdir $(generated_files))) + $(PYTHON3) $(code_gen_py) $(generated_files) $(xpt_files) + @touch $@ + $(call BUILDSTATUS,END_xpt $(notdir $(generated_files))) + +-include $(depends_files) + +define xpt_deps +$(1): $(call mkdir_deps,$(dir $(1))) +ifneq ($($(basename $(notdir $(1)))_deps),$($(basename $(notdir $(1)))_deps_built)) +$(1): FORCE +endif +endef + +$(foreach xpt,$(xpt_files),$(eval $(call xpt_deps,$(xpt)))) + +.PHONY: xpidl |