# Entry point of build system.

#

# Do a sanity check on the given action(s) and processes them sequentially.

# Sequential processing is needed because for example "clean" and "all" cannot

# run in parallel. Some actions might be able to run in parallel, but that is

# an optimization we can do later, if it is really worth it.

# All actions we want to expose to the user.

USER_ACTIONS:=\

	3rdparty all app bindist clean createsubs dist install probe run \

	staticbindist

# Mark all actions as logical targets.

.PHONY: $(USER_ACTIONS)

# Reject unknown actions.

UNKNOWN_ACTIONS:=$(filter-out $(USER_ACTIONS),$(MAKECMDGOALS))

ifneq ($(UNKNOWN_ACTIONS),)

ifeq ($(words $(UNKNOWN_ACTIONS)),1)

$(error Unknown action: $(UNKNOWN_ACTIONS))

else

$(error Unknown actions: $(UNKNOWN_ACTIONS))

endif

endif

ifeq ($(MAKECMDGOALS),)

# Make default action explicit.

MAKECMDGOALS:=all

.PHONY: default

default: all

endif

ifeq ($(words $(MAKECMDGOALS)),1)

# Single action, run it in this Make process.

include build/main.mk

else

# Multiple actions are given, process them sequentially.

# If the same action is given more than once, some warnings will be displayed,

# but they will all be executed.

ACTION_COUNTER:=$(MAKECMDGOALS:%=x)

include build/entry-seq.mk

$(MAKECMDGOALS): sequence-$(words $(MAKECMDGOALS))

	@true

endif