#
# 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/.

ifeq (,$(MAKE_VERSION))
$(error GNU Make is required)
endif
make_min_ver := 3.81
ifneq ($(make_min_ver),$(firstword $(sort $(make_min_ver) $(MAKE_VERSION))))
$(error GNU Make $(make_min_ver) or higher is required)
endif

export TOPLEVEL_BUILD := 1

default::

ifndef TEST_MOZBUILD
ifdef MOZ_BUILD_APP
include $(wildcard $(topsrcdir)/$(MOZ_BUILD_APP)/build.mk)
endif
endif

include $(topsrcdir)/config/config.mk

GARBAGE_DIRS += _javagen _profile staticlib
DIST_GARBAGE = config.cache config.log config.status* config-defs.h \
   config/autoconf.mk \
   mozilla-config.h \
   netwerk/necko-config.h xpcom/xpcom-config.h xpcom/xpcom-private.h \
   .mozconfig.mk

ifndef MOZ_PROFILE_USE
buildid.h source-repo.h: FORCE
endif

ifdef JS_STANDALONE
configure_dir = $(topsrcdir)/js/src
else
configure_dir = $(topsrcdir)
endif

BUILD_BACKEND_FILES := $(addprefix backend.,$(addsuffix Backend,$(BUILD_BACKENDS)))

ifndef TEST_MOZBUILD
ifndef MOZ_PROFILE_USE
# We need to explicitly put BUILD_BACKEND_FILES here otherwise the rule in
# rules.mk doesn't run early enough.
$(TIERS) binaries:: CLOBBER $(configure_dir)/configure config.status $(BUILD_BACKEND_FILES)
ifndef JS_STANDALONE
ifdef COMPILE_ENVIRONMENT
$(TIERS) binaries:: $(topsrcdir)/js/src/configure js/src/config.status
endif
endif
endif
endif

ifdef JS_STANDALONE
.PHONY: CLOBBER
CLOBBER:
else
CLOBBER: $(topsrcdir)/CLOBBER
	@echo 'STOP!  The CLOBBER file has changed.'
	@echo 'Please run the build through a sanctioned build wrapper, such as'
	@echo '"mach build" or client.mk.'
	@exit 1
endif

$(topsrcdir)/configure: $(topsrcdir)/configure.in $(topsrcdir)/old-configure.in
$(topsrcdir)/js/src/configure: $(topsrcdir)/js/src/configure.in $(topsrcdir)/js/src/old-configure.in
$(topsrcdir)/configure $(topsrcdir)/js/src/configure:
	@echo 'STOP!  $? has changed, and your configure is out of date.'
	@echo 'Please rerun autoconf and re-configure your build directory.'
	@echo 'To ignore this message, touch "$@",'
	@echo 'but your build might not succeed.'
	@exit 1

config.status: $(configure_dir)/configure $(configure_dir)/old-configure
js/src/config.status: $(topsrcdir)/js/src/configure $(topsrcdir)/js/src/old-configure
config.status js/src/config.status:
	@echo 'STOP!  $? has changed and needs to be run again.'
	@echo 'Please rerun it.'
	@echo 'To ignore this message, touch "$(CURDIR)/$@",'
	@echo 'but your build might not succeed.'
	@exit 1

# Regenerate the build backend if it is out of date. We only have this rule in
# this main make file because having it in rules.mk and applied to partial tree
# builds resulted in a world of hurt. Gory details are in bug 877308.
#
# The mach build driver will ensure the backend is up to date for partial tree
# builds. This cleanly avoids most of the pain.

ifndef TEST_MOZBUILD

.PHONY: backend
backend: $(BUILD_BACKEND_FILES)

# A traditional rule would look like this:
#    backend.%:
#        @echo do stuff
#
# But with -j<n>, and multiple items in BUILD_BACKEND_FILES, the command would
# run multiple times in parallel.
#
# "Fortunately", make has some weird semantics for pattern rules: if there are
# multiple targets in a pattern rule and each of them is matched at most once,
# the command will only run once. So:
#     backend%RecursiveMakeBackend backend%FasterMakeBackend:
#         @echo do stuff
#     backend: backend.RecursiveMakeBackend backend.FasterMakeBackend
# would only execute the command once.
#
# Credit where due: http://stackoverflow.com/questions/2973445/gnu-makefile-rule-generating-a-few-targets-from-a-single-source-file/3077254#3077254
$(subst .,%,$(BUILD_BACKEND_FILES)):
	@echo 'Build configuration changed. Regenerating backend.'
	$(PYTHON) config.status

Makefile: $(BUILD_BACKEND_FILES)
	@$(TOUCH) $@

define build_backend_rule
$(1)_files := $$(shell cat $(1).in)
$(1): $$($(1)_files)
$$($(1)_files):

endef
$(foreach file,$(BUILD_BACKEND_FILES),$(eval $(call build_backend_rule,$(file))))

default:: $(BUILD_BACKEND_FILES)
endif

install_manifests := \
  $(addprefix dist/,branding idl include public private sdk xpi-stage) \
  _tests \
  $(NULL)
# Skip the dist/bin install manifest when using the hybrid
# FasterMake/RecursiveMake backend. This is a hack until bug 1241744 moves
# xpidl handling to FasterMake in that case, mechanically making the dist/bin
# install manifest non-existent (non-existent manifests being skipped)
ifeq (,$(filter FasterMake+RecursiveMake,$(BUILD_BACKENDS)))
install_manifests += dist/bin
endif
install_manifest_depends = \
  CLOBBER \
  $(configure_dir)/configure \
  config.status \
  $(BUILD_BACKEND_FILES) \
  $(NULL)

ifndef JS_STANDALONE
ifdef COMPILE_ENVIRONMENT
install_manifest_depends += \
  $(topsrcdir)/js/src/configure \
  js/src/config.status \
  $(NULL)
endif
endif

.PHONY: install-manifests
install-manifests: $(addprefix install-,$(install_manifests))

# If we're using the hybrid FasterMake/RecursiveMake backend, we want
# to recurse in the faster/ directory in parallel of install manifests.
# But dist/idl needs to happen before (cf. dependencies in
# config/faster/rules.mk)
ifneq (,$(filter FasterMake+RecursiveMake,$(BUILD_BACKENDS)))
install-manifests: faster
.PHONY: faster
faster: install-dist/idl
	$(MAKE) -C faster FASTER_RECURSIVE_MAKE=1
endif

# process_install_manifest needs to be invoked with --no-remove when building
# js as standalone because automated builds are building nspr separately and
# that would remove the resulting files.
# Eventually, a standalone js build would just be able to build nspr itself,
# removing the need for the former.
ifdef JS_STANDALONE
NO_REMOVE=1
endif

.PHONY: $(addprefix install-,$(subst /,_,$(install_manifests)))
$(addprefix install-,$(install_manifests)): install-%: $(install_manifest_depends)
ifneq (,$(filter FasterMake+RecursiveMake,$(BUILD_BACKENDS)))
	@# If we're using the hybrid FasterMake/RecursiveMake backend, we want
	@# to ensure the FasterMake end doesn't have install manifests for the
	@# same directory, because that would blow up
	$(if $(wildcard _build_manifests/install/$(subst /,_,$*)),$(if $(wildcard faster/install_$(subst /,_,$*)*),$(error FasterMake and RecursiveMake ends of the hybrid build system want to handle $*)))
endif
	$(addprefix $(call py_action,process_install_manifest,$(if $(NO_REMOVE),--no-remove )$*) ,$(wildcard _build_manifests/install/$(subst /,_,$*)))

# Dummy wrapper rule to allow the faster backend to piggy back
$(addprefix install-,$(subst /,_,$(filter dist/%,$(install_manifests)))): install-dist_%: install-dist/% ;

.PHONY: install-tests
install-tests: install-test-files

# We no longer run "make install-tests" directly before running tests, but we still
# want to depend on things like config.status, hence this target.
.PHONY: run-tests-deps
run-tests-deps: $(install_manifest_depends)

# Force --no-remove, because $objdir/_tests is handled by multiple manifests.
.PHONY: install-test-files
install-test-files:
	$(call py_action,process_install_manifest,--no-remove _tests _build_manifests/install/_test_files)

include $(topsrcdir)/build/moz-automation.mk

# dist and _tests should be purged during cleaning. However, we don't want them
# purged during PGO builds because they contain some auto-generated files.
ifneq ($(filter-out maybe_clobber_profiledbuild,$(MAKECMDGOALS)),)
GARBAGE_DIRS += dist _tests
endif

# Windows PGO builds don't perform a clean before the 2nd pass. So, we want
# to preserve content for the 2nd pass on Windows. Everywhere else, we always
# process the install manifests as part of export.
# For the binaries rule, not all the install manifests matter, so force only
# the interesting ones to be done.
ifdef MOZ_PROFILE_USE
ifndef NO_PROFILE_GUIDED_OPTIMIZE
ifneq ($(OS_ARCH)_$(GNU_CC), WINNT_)
recurse_pre-export:: install-manifests
binaries::
	@$(MAKE) install-manifests NO_REMOVE=1 install_manifests=dist/include
endif
endif
else # !MOZ_PROFILE_USE (normal build)
recurse_pre-export:: install-manifests
binaries::
	@$(MAKE) install-manifests NO_REMOVE=1 install_manifests=dist/include
endif

# For historical reasons that are unknown, $(DIST)/sdk is always blown away
# with no regard for PGO passes. This decision could probably be revisited.
recurse_pre-export:: install-dist/sdk

ifndef JS_STANDALONE
ifdef ENABLE_TESTS
# Additional makefile targets to call automated test suites
include $(topsrcdir)/testing/testsuite-targets.mk
endif
endif

default all::
	$(call BUILDSTATUS,TIERS $(TIERS) $(if $(MOZ_AUTOMATION),$(MOZ_AUTOMATION_TIERS)))

include $(topsrcdir)/config/rules.mk

distclean::
	$(RM) $(DIST_GARBAGE)

ifeq ($(OS_ARCH),WINNT)
# we want to copy PDB files on Windows
MAKE_SYM_STORE_ARGS := -c --vcs-info
ifdef PDBSTR_PATH
MAKE_SYM_STORE_ARGS += -i
endif
ifdef MSVC_HAS_DIA_SDK
DUMP_SYMS_BIN ?= $(DIST)/host/bin/dump_syms.exe
else
DUMP_SYMS_BIN ?= $(topsrcdir)/toolkit/crashreporter/tools/win32/dump_syms_vc$(_MSC_VER).exe
endif
# PDB files don't get moved to dist, so we need to scan the whole objdir
MAKE_SYM_STORE_PATH := .
endif
ifeq ($(OS_ARCH),Darwin)
# need to pass arch flags for universal builds
ifdef UNIVERSAL_BINARY
MAKE_SYM_STORE_ARGS := -c -a 'i386 x86_64' --vcs-info
MAKE_SYM_STORE_PATH := $(DIST)/universal
else
MAKE_SYM_STORE_ARGS := -c -a $(OS_TEST) --vcs-info
MAKE_SYM_STORE_PATH := $(DIST)/bin
endif
DUMP_SYMS_BIN ?= $(DIST)/host/bin/dump_syms
endif
ifeq (,$(filter-out Linux SunOS,$(OS_ARCH)))
MAKE_SYM_STORE_ARGS := -c --vcs-info
DUMP_SYMS_BIN ?= $(DIST)/host/bin/dump_syms
MAKE_SYM_STORE_PATH := $(DIST)/bin
endif
MAKE_SYM_STORE_ARGS += --install-manifest=$(DEPTH)/_build_manifests/install/dist_include,$(DIST)/include

SYM_STORE_SOURCE_DIRS := $(topsrcdir)

ifdef MOZ_CRASHREPORTER
include $(topsrcdir)/toolkit/mozapps/installer/package-name.mk

SYMBOL_INDEX_NAME = \
  $(MOZ_APP_NAME)-$(MOZ_APP_VERSION)-$(OS_TARGET)-$(BUILDID)-$(CPU_ARCH)-symbols.txt
endif

buildsymbols:
ifdef MOZ_CRASHREPORTER
	echo building symbol store
	$(RM) -r $(DIST)/crashreporter-symbols
	$(RM) '$(DIST)/$(SYMBOL_ARCHIVE_BASENAME).zip'
	$(RM) '$(DIST)/$(SYMBOL_FULL_ARCHIVE_BASENAME).zip'
	$(NSINSTALL) -D $(DIST)/crashreporter-symbols
	OBJCOPY='$(OBJCOPY)' \
	$(PYTHON) $(topsrcdir)/toolkit/crashreporter/tools/symbolstore.py \
	  $(MAKE_SYM_STORE_ARGS)                                          \
	  $(foreach dir,$(SYM_STORE_SOURCE_DIRS),-s $(dir))               \
	  $(DUMP_SYMS_BIN)                                                \
	  $(DIST)/crashreporter-symbols                                   \
	  $(MAKE_SYM_STORE_PATH) | grep -iv test >                        \
	  $(DIST)/crashreporter-symbols/$(SYMBOL_INDEX_NAME)
	echo packing symbols
	$(NSINSTALL) -D $(DIST)/$(PKG_PATH)
	cd $(DIST)/crashreporter-symbols && \
          zip -r5D '../$(PKG_PATH)$(SYMBOL_FULL_ARCHIVE_BASENAME).zip' . -x '*test*' -x '*Test*'
	cd $(DIST)/crashreporter-symbols && \
	grep 'sym' $(SYMBOL_INDEX_NAME) > $(SYMBOL_INDEX_NAME).tmp && \
	  mv $(SYMBOL_INDEX_NAME).tmp $(SYMBOL_INDEX_NAME)
	cd $(DIST)/crashreporter-symbols && \
          zip -r5D '../$(PKG_PATH)$(SYMBOL_ARCHIVE_BASENAME).zip' . -i '*.sym' -i '*.txt'  -x '*test*' -x '*Test*'
endif # MOZ_CRASHREPORTER

uploadsymbols:
ifdef MOZ_CRASHREPORTER
ifdef SOCORRO_SYMBOL_UPLOAD_TOKEN_FILE
	$(PYTHON) -u $(topsrcdir)/toolkit/crashreporter/tools/upload_symbols.py '$(DIST)/$(PKG_PATH)$(SYMBOL_FULL_ARCHIVE_BASENAME).zip'
endif
endif

.PHONY: update-packaging
update-packaging:
	$(MAKE) -C tools/update-packaging

.PHONY: pretty-package
pretty-package:
	unset MOZ_SIGN_CMD && $(MAKE) package MOZ_PKG_PRETTYNAMES=1

.PHONY: pretty-package-tests
pretty-package-tests:
	unset MOZ_SIGN_CMD && $(MAKE) package-tests MOZ_PKG_PRETTYNAMES=1

.PHONY: pretty-l10n-check
pretty-l10n-check:
	unset MOZ_SIGN_CMD && $(MAKE) l10n-check MOZ_PKG_PRETTYNAMES=1

.PHONY: pretty-update-packaging
pretty-update-packaging:
	unset MOZ_SIGN_CMD && $(MAKE) -C tools/update-packaging MOZ_PKG_PRETTYNAMES=1

.PHONY: pretty-installer
pretty-installer:
	unset MOZ_SIGN_CMD && $(MAKE) installer MOZ_PKG_PRETTYNAMES=1

#XXX: this is a hack, since we don't want to clobber for MSVC
# PGO support, but we can't do this test in client.mk
ifneq ($(OS_ARCH)_$(GNU_CC), WINNT_)
# No point in clobbering if PGO has been explicitly disabled.
ifndef NO_PROFILE_GUIDED_OPTIMIZE
maybe_clobber_profiledbuild: clean
else
maybe_clobber_profiledbuild:
endif
else
maybe_clobber_profiledbuild:
	$(RM) $(DIST)/bin/*.pgc
	find $(DIST)/$(MOZ_APP_NAME) -name '*.pgc' -exec mv {} $(DIST)/bin \;
endif

.PHONY: maybe_clobber_profiledbuild

# Look for R_386_PC32 relocations in shared libs, these
# break x86_64 builds and SELinux users.
ifeq ($(OS_TARGET)_$(TARGET_XPCOM_ABI),Linux_x86-gcc3)
check::
	@relcount=`find $(DIST)/bin -name '*.so' | xargs objdump -R | grep R_386_PC32 | wc -l` && if test $$relcount -gt 0; then echo 'FAILED: R_386_PC32 relocations detected in a shared library.  Did you use a system header without adding it to config/system-headers?'; exit 1; else echo 'PASSED'; fi
endif

ifdef JS_STANDALONE
# Delegate js-specific rules to js
check-%:
	$(MAKE) -C js/src $@

source-package install:
	$(MAKE) -C js/src $@

# Every export rule depends on config/export, but the rule for config/export
# doesn't exist when building js non-standalone.
.PHONY: config/export
config/export:

endif

# There used to be build interdependencies here. They are now in config/recurse.mk