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# -*- makefile -*-
# vim:set ts=8 sw=8 sts=8 noet:
# 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/.
# Defines main targets for driving the Firefox build system.
#
# This make file should not be invoked directly. Instead, use
# `mach` (likely `mach build`) for invoking the build system.
#
# Options:
# MOZ_OBJDIR - Destination object directory
# MOZ_MAKE_FLAGS - Flags to pass to $(MAKE)
#
#######################################################################
# Defines
ifdef MACH
ifndef NO_BUILDSTATUS_MESSAGES
define BUILDSTATUS
@echo 'BUILDSTATUS $1'
endef
endif
endif
CWD := $(CURDIR)
ifeq "$(CWD)" "/"
CWD := /.
endif
PYTHON3 ?= python3
####################################
# Load mozconfig Options
include $(OBJDIR)/.mozconfig-client-mk
ifdef MOZ_PARALLEL_BUILD
MOZ_MAKE_FLAGS := $(filter-out -j%,$(MOZ_MAKE_FLAGS))
MOZ_MAKE_FLAGS += -j$(MOZ_PARALLEL_BUILD)
endif
# Automatically add -jN to make flags if not defined. N defaults to number of cores.
ifeq (,$(findstring -j,$(MOZ_MAKE_FLAGS)))
cores=$(shell $(PYTHON3) -c 'import multiprocessing; print(multiprocessing.cpu_count())')
MOZ_MAKE_FLAGS += -j$(cores)
endif
ifdef MOZ_AUTOMATION
ifeq (4.0,$(firstword $(sort 4.0 $(MAKE_VERSION))))
MOZ_MAKE_FLAGS += --output-sync=line
endif
endif
MOZ_MAKE = $(MAKE) $(MOZ_MAKE_FLAGS) -C $(OBJDIR)
#######################################################################
# Rules
# The default rule is build
build::
ifndef MACH
$(error client.mk must be used via `mach`. Try running \
`./mach $(firstword $(MAKECMDGOALS) $(.DEFAULT_GOAL))`)
endif
# In automation, manage an sccache daemon. The starting of the server
# needs to be in a make file so sccache inherits the jobserver.
ifdef MOZBUILD_MANAGE_SCCACHE_DAEMON
build::
# Terminate any sccache server that might still be around.
-$(MOZBUILD_MANAGE_SCCACHE_DAEMON) --stop-server > /dev/null 2>&1
# Start a new server, ensuring it gets the jobserver file descriptors
# from make (but don't use the + prefix when make -n is used, so that
# the command doesn't run in that case)
mkdir -p $(UPLOAD_PATH)
$(if $(findstring n,$(filter-out --%, $(MAKEFLAGS))),,+)env SCCACHE_LOG=sccache=debug SCCACHE_ERROR_LOG=$(UPLOAD_PATH)/sccache.log $(MOZBUILD_MANAGE_SCCACHE_DAEMON) --start-server
endif
####################################
# Build it
build::
+$(MOZ_MAKE)
ifdef MOZ_AUTOMATION
build::
+$(MOZ_MAKE) automation/build
endif
# This makefile doesn't support parallel execution. It does pass
# MOZ_MAKE_FLAGS to sub-make processes, so they will correctly execute
# in parallel.
.NOTPARALLEL:
.PHONY: \
build
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