OVMS3-idf/make/project_config.mk

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# Makefile support for the menuconfig system
#Find all Kconfig files for all components
COMPONENT_KCONFIGS := $(foreach component,$(COMPONENT_PATHS),$(wildcard $(component)/Kconfig))
COMPONENT_KCONFIGS_PROJBUILD := $(foreach component,$(COMPONENT_PATHS),$(wildcard $(component)/Kconfig.projbuild))
#For doing make menuconfig etc
KCONFIG_TOOL_DIR=$(IDF_PATH)/tools/kconfig
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# set SDKCONFIG to the project's sdkconfig,
# unless it's overriden (happens for bootloader)
SDKCONFIG ?= $(PROJECT_PATH)/sdkconfig
# SDKCONFIG_DEFAULTS is an optional file containing default
# overrides (usually used for esp-idf examples)
SDKCONFIG_DEFAULTS ?= $(PROJECT_PATH)/sdkconfig.defaults
# reset MAKEFLAGS as the menuconfig makefile uses implicit compile rules
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$(KCONFIG_TOOL_DIR)/mconf $(KCONFIG_TOOL_DIR)/conf:
MAKEFLAGS=$(ORIGINAL_MAKEFLAGS) CC=$(HOSTCC) LD=$(HOSTLD) \
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$(MAKE) -C $(KCONFIG_TOOL_DIR)
# use a wrapper environment for where we run Kconfig tools
KCONFIG_TOOL_ENV=KCONFIG_AUTOHEADER=$(abspath $(BUILD_DIR_BASE)/include/sdkconfig.h) \
COMPONENT_KCONFIGS="$(COMPONENT_KCONFIGS)" KCONFIG_CONFIG=$(SDKCONFIG) \
COMPONENT_KCONFIGS_PROJBUILD="$(COMPONENT_KCONFIGS_PROJBUILD)"
menuconfig: $(KCONFIG_TOOL_DIR)/mconf $(IDF_PATH)/Kconfig $(call prereq_if_explicit,defconfig)
$(summary) MENUCONFIG
$(KCONFIG_TOOL_ENV) $(KCONFIG_TOOL_DIR)/mconf $(IDF_PATH)/Kconfig
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ifeq ("$(wildcard $(SDKCONFIG))","")
ifeq ("$(call prereq_if_explicit,defconfig)","")
# if not configuration is present and defconfig is not a target, run defconfig then menuconfig
$(SDKCONFIG): defconfig menuconfig
else
# otherwise, just defconfig
$(SDKCONFIG): defconfig
endif
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endif
# defconfig creates a default config, based on SDKCONFIG_DEFAULTS if present
defconfig: $(KCONFIG_TOOL_DIR)/mconf $(IDF_PATH)/Kconfig $(BUILD_DIR_BASE)
$(summary) DEFCONFIG
ifneq ("$(wildcard $(SDKCONFIG_DEFAULTS))","")
cat $(SDKCONFIG_DEFAULTS) >> $(SDKCONFIG) # append defaults to sdkconfig, will override existing values
endif
mkdir -p $(BUILD_DIR_BASE)/include/config
$(KCONFIG_TOOL_ENV) $(KCONFIG_TOOL_DIR)/conf --olddefconfig $(IDF_PATH)/Kconfig
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# Work out of whether we have to build the Kconfig makefile
# (auto.conf), or if we're in a situation where we don't need it
NON_CONFIG_TARGETS := clean %-clean help menuconfig defconfig
AUTO_CONF_REGEN_TARGET := $(SDKCONFIG_MAKEFILE)
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# disable AUTO_CONF_REGEN_TARGET if all targets are non-config targets
# (and not building default target)
ifneq ("$(MAKECMDGOALS)","")
ifeq ($(filter $(NON_CONFIG_TARGETS), $(MAKECMDGOALS)),$(MAKECMDGOALS))
AUTO_CONF_REGEN_TARGET :=
# dummy target
$(SDKCONFIG_MAKEFILE):
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endif
endif
$(AUTO_CONF_REGEN_TARGET) $(BUILD_DIR_BASE)/include/sdkconfig.h: $(SDKCONFIG) $(KCONFIG_TOOL_DIR)/conf $(COMPONENT_KCONFIGS) $(COMPONENT_KCONFIGS_PROJBUILD)
$(summary) GENCONFIG
mkdir -p $(BUILD_DIR_BASE)/include/config
cd $(BUILD_DIR_BASE); $(KCONFIG_TOOL_ENV) $(KCONFIG_TOOL_DIR)/conf --silentoldconfig $(IDF_PATH)/Kconfig
touch $(AUTO_CONF_REGEN_TARGET) $(BUILD_DIR_BASE)/include/sdkconfig.h
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# touch to ensure both output files are newer - as 'conf' can also update sdkconfig (a dependency). Without this,
# sometimes you can get an infinite make loop on Windows where sdkconfig always gets regenerated newer
# than the target(!)
.PHONY: config-clean
config-clean:
$(summary RM CONFIG)
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$(MAKE) -C $(KCONFIG_TOOL_DIR) clean
rm -rf $(BUILD_DIR_BASE)/include/config $(BUILD_DIR_BASE)/include/sdkconfig.h