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Diffstat (limited to 'config/recurse.mk')
| -rw-r--r-- | config/recurse.mk | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/config/recurse.mk b/config/recurse.mk new file mode 100644 index 000000000..0b469c1c3 --- /dev/null +++ b/config/recurse.mk @@ -0,0 +1,180 @@ +# 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/. + +ifndef INCLUDED_RULES_MK +include $(topsrcdir)/config/rules.mk +endif + +# The traditional model of directory traversal with make is as follows: +# make -C foo +# Entering foo +# make -C bar +# Entering foo/bar +# make -C baz +# Entering foo/baz +# make -C qux +# Entering qux +# +# Pseudo derecurse transforms the above into: +# make -C foo +# make -C foo/bar +# make -C foo/baz +# make -C qux + +ifeq (.,$(DEPTH)) + +include root.mk + +# Main rules (export, compile, libs and tools) call recurse_* rules. +# This wrapping is only really useful for build status. +$(TIERS):: + $(call BUILDSTATUS,TIER_START $@) + +$(MAKE) recurse_$@ + $(call BUILDSTATUS,TIER_FINISH $@) + +# Special rule that does install-manifests (cf. Makefile.in) + compile +binaries:: + +$(MAKE) recurse_compile + +# Carefully avoid $(eval) type of rule generation, which makes pymake slower +# than necessary. +# Get current tier and corresponding subtiers from the data in root.mk. +CURRENT_TIER := $(filter $(foreach tier,$(TIERS),recurse_$(tier) $(tier)-deps),$(MAKECMDGOALS)) +ifneq (,$(filter-out 0 1,$(words $(CURRENT_TIER)))) +$(error $(CURRENT_TIER) not supported on the same make command line) +endif +CURRENT_TIER := $(subst recurse_,,$(CURRENT_TIER:-deps=)) + +# The rules here are doing directory traversal, so we don't want further +# recursion to happen when running make -C subdir $tier. But some make files +# further call make -C something else, and sometimes expect recursion to +# happen in that case. +# Conveniently, every invocation of make increases MAKELEVEL, so only stop +# recursion from happening at current MAKELEVEL + 1. +ifdef CURRENT_TIER +ifeq (0,$(MAKELEVEL)) +export NO_RECURSE_MAKELEVEL=1 +else +export NO_RECURSE_MAKELEVEL=$(word $(MAKELEVEL),2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20) +endif +endif + +# Use the $(*_dirs) variables available in root.mk +CURRENT_DIRS := $($(CURRENT_TIER)_dirs) + +# Need a list of compile targets because we can't use pattern rules: +# https://savannah.gnu.org/bugs/index.php?42833 +# Only recurse the paths starting with RECURSE_BASE_DIR when provided. +.PHONY: $(compile_targets) +$(compile_targets): + $(if $(filter $(RECURSE_BASE_DIR)%,$@),$(call SUBMAKE,$(@F),$(@D))) + +# The compile tier has different rules from other tiers. +ifneq ($(CURRENT_TIER),compile) + +# Recursion rule for all directories traversed for all subtiers in the +# current tier. +$(addsuffix /$(CURRENT_TIER),$(CURRENT_DIRS)): %/$(CURRENT_TIER): + $(call SUBMAKE,$(CURRENT_TIER),$*) + +.PHONY: $(addsuffix /$(CURRENT_TIER),$(CURRENT_DIRS)) + +# Dummy rules for possibly inexisting dependencies for the above tier targets +$(addsuffix /Makefile,$(CURRENT_DIRS)) $(addsuffix /backend.mk,$(CURRENT_DIRS)): + +ifeq ($(CURRENT_TIER),export) +# At least build/export requires config/export for buildid, but who knows what +# else, so keep this global dependency to make config/export first for now. +$(addsuffix /$(CURRENT_TIER),$(filter-out config,$(CURRENT_DIRS))): config/$(CURRENT_TIER) + +# The export tier requires nsinstall, which is built from config. So every +# subdirectory traversal needs to happen after building nsinstall in config, which +# is done with the config/host target. Note the config/host target only exists if +# nsinstall is actually built, which it is not on Windows, because we use +# nsinstall.py there. +ifdef COMPILE_ENVIRONMENT +ifneq (,$(filter config/host, $(compile_targets))) +$(addsuffix /$(CURRENT_TIER),$(CURRENT_DIRS)): config/host +endif +endif +endif + +endif # ifeq ($(CURRENT_TIER),compile) + +else + +# Don't recurse if MAKELEVEL is NO_RECURSE_MAKELEVEL as defined above +ifeq ($(NO_RECURSE_MAKELEVEL),$(MAKELEVEL)) + +$(TIERS):: + +else +######################### +# Tier traversal handling +######################### + +define CREATE_SUBTIER_TRAVERSAL_RULE +.PHONY: $(1) + +$(1):: $$(SUBMAKEFILES) + $$(LOOP_OVER_DIRS) + +endef + +$(foreach subtier,$(filter-out compile,$(TIERS)),$(eval $(call CREATE_SUBTIER_TRAVERSAL_RULE,$(subtier)))) + +ifndef TOPLEVEL_BUILD +ifdef COMPILE_ENVIRONMENT +compile:: + @$(MAKE) -C $(DEPTH) compile RECURSE_BASE_DIR=$(relativesrcdir)/ +endif # COMPILE_ENVIRONMENT +endif + +endif # ifeq ($(NO_RECURSE_MAKELEVEL),$(MAKELEVEL)) + +endif # ifeq (.,$(DEPTH)) + +recurse: + @$(RECURSED_COMMAND) + $(LOOP_OVER_DIRS) + +ifeq (.,$(DEPTH)) +# Interdependencies for parallel export. +js/xpconnect/src/export: dom/bindings/export xpcom/xpidl/export +accessible/xpcom/export: xpcom/xpidl/export + +# The widget binding generator code is part of the annotationProcessors. +widget/android/bindings/export: build/annotationProcessors/export + +# .xpt generation needs the xpidl lex/yacc files +xpcom/xpidl/export: xpcom/idl-parser/xpidl/export + +# The roboextender addon includes a classes.dex containing a test Java addon. +# The test addon must be built first. +mobile/android/tests/browser/robocop/roboextender/tools: mobile/android/tests/javaaddons/tools + +ifdef ENABLE_CLANG_PLUGIN +$(filter-out config/host build/unix/stdc++compat/% build/clang-plugin/%,$(compile_targets)): build/clang-plugin/target build/clang-plugin/tests/target +build/clang-plugin/tests/target: build/clang-plugin/target +endif + +# Interdependencies that moz.build world don't know about yet for compilation. +# Note some others are hardcoded or "guessed" in recursivemake.py and emitter.py +ifeq ($(MOZ_WIDGET_TOOLKIT),gtk3) +toolkit/library/target: widget/gtk/mozgtk/gtk3/target +endif +ifdef MOZ_LDAP_XPCOM +ldap/target: config/external/nss/target mozglue/build/target +toolkit/library/target: ldap/target +endif +ifeq ($(MOZ_REPLACE_MALLOC_LINKAGE),dummy library) +mozglue/build/target memory/replace/logalloc/replay/target: memory/replace/dummy/target +endif +endif +ifeq (,$(MOZ_SYSTEM_NSPR)$(MOZ_SYSTEM_NSS)$(MOZ_FOLD_LIBS)) +config/external/nss/target: config/external/nspr/pr/target config/external/nspr/ds/target config/external/nspr/libc/target +endif +# Most things are built during compile (target/host), but some things happen during export +# Those need to depend on config/export for system wrappers. +$(addprefix build/unix/stdc++compat/,target host) build/clang-plugin/target: config/export |