esp-idf/make/common.mk
Angus Gratton f29768c404 Build system: Add new BATCH_BUILD flag to disable interactive parts of the build
Mostly useful for Eclipse (where accidentally running interactive
config hangs the build), but also good for CI and other automated
build systems.
2017-02-22 11:59:37 +11:00

76 lines
2.3 KiB
Makefile

# Functionality common to both top-level project makefile (project.mk)
# and component makefiles (component_wrapper.mk)
#
# Include project config makefile, if it exists.
#
# (Note that we only rebuild this makefile automatically for some
# targets, see project_config.mk for details.)
SDKCONFIG_MAKEFILE ?= $(abspath $(BUILD_DIR_BASE)/include/config/auto.conf)
include $(SDKCONFIG_MAKEFILE)
export SDKCONFIG_MAKEFILE # sub-makes (like bootloader) will reuse this path
# BATCH_BUILD flag disables interactive terminal features, defaults to verbose build
ifdef BATCH_BUILD
V ?= 1
endif
#Handling of V=1/VERBOSE=1 flag
#
# if V=1, $(summary) does nothing and $(details) will echo extra details
# if V is unset or not 1, $(summary) echoes a summary and $(details) does nothing
V ?= $(VERBOSE)
ifeq ("$(V)","1")
summary := @true
details := @echo
else
summary := @echo
details := @true
# disable echoing of commands, directory names
MAKEFLAGS += --silent
endif
# General make utilities
# convenience variable for printing an 80 asterisk wide separator line
SEPARATOR:="*******************************************************************************"
# macro to remove quotes from an argument, ie $(call dequote,$(CONFIG_BLAH))
define dequote
$(subst ",,$(1))
endef
# " comment kept here to keep syntax highlighting happy
# macro to keep an absolute path as-is, but resolve a relative path
# against a particular parent directory
#
# $(1) path to resolve
# $(2) directory to resolve non-absolute path against
#
# Path and directory don't have to exist (definition of a "relative
# path" is one that doesn't start with /)
#
# $(2) can contain a trailing forward slash or not, result will not
# double any path slashes.
#
# example $(call resolvepath,$(CONFIG_PATH),$(CONFIG_DIR))
define resolvepath
$(foreach dir,$(1),$(if $(filter /%,$(dir)),$(dir),$(subst //,/,$(2)/$(dir))))
endef
# macro to include a target only if it's on the list of targets that make
# was invoked with
#
# This allows you to have something like an "order-only phony prerequisite",
# ie a prerequisite that determines an order phony targets have to run in.
#
# Because normal order-only prerequisites don't work with phony targets.
#
# example $(call prereq_if_explicit,erase_flash)
define prereq_if_explicit
$(filter $(1),$(MAKECMDGOALS))
endef