e91d436e45
See github #311 https://github.com/espressif/esp-idf/issues/311 Should fix weird compiler/linker bugs where config says something is enabled, but build system says it is disabled. Particularly noticeable when WiFi/BT libraries fail to compile/link despite being enabled. Underlying cause is configuration file regenerating, but component Makefiles not reevaluating. Entirely removes the idea that we don't need to generate config for some targets (like 'clean'). We need valid config for these targets, otherwise they don't know which files to clean (etc).
65 lines
2.8 KiB
Makefile
65 lines
2.8 KiB
Makefile
# Makefile support for the menuconfig system
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#Find all Kconfig files for all components
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COMPONENT_KCONFIGS := $(foreach component,$(COMPONENT_PATHS),$(wildcard $(component)/Kconfig))
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COMPONENT_KCONFIGS_PROJBUILD := $(foreach component,$(COMPONENT_PATHS),$(wildcard $(component)/Kconfig.projbuild))
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#For doing make menuconfig etc
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KCONFIG_TOOL_DIR=$(IDF_PATH)/tools/kconfig
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# set SDKCONFIG to the project's sdkconfig,
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# unless it's overriden (happens for bootloader)
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SDKCONFIG ?= $(PROJECT_PATH)/sdkconfig
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# SDKCONFIG_DEFAULTS is an optional file containing default
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# overrides (usually used for esp-idf examples)
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SDKCONFIG_DEFAULTS ?= $(PROJECT_PATH)/sdkconfig.defaults
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# reset MAKEFLAGS as the menuconfig makefile uses implicit compile rules
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$(KCONFIG_TOOL_DIR)/mconf $(KCONFIG_TOOL_DIR)/conf:
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MAKEFLAGS=$(ORIGINAL_MAKEFLAGS) CC=$(HOSTCC) LD=$(HOSTLD) \
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$(MAKE) -C $(KCONFIG_TOOL_DIR)
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# use a wrapper environment for where we run Kconfig tools
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KCONFIG_TOOL_ENV=KCONFIG_AUTOHEADER=$(abspath $(BUILD_DIR_BASE)/include/sdkconfig.h) \
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COMPONENT_KCONFIGS="$(COMPONENT_KCONFIGS)" KCONFIG_CONFIG=$(SDKCONFIG) \
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COMPONENT_KCONFIGS_PROJBUILD="$(COMPONENT_KCONFIGS_PROJBUILD)"
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menuconfig: $(KCONFIG_TOOL_DIR)/mconf $(IDF_PATH)/Kconfig $(call prereq_if_explicit,defconfig)
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$(summary) MENUCONFIG
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$(KCONFIG_TOOL_ENV) $(KCONFIG_TOOL_DIR)/mconf $(IDF_PATH)/Kconfig
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ifeq ("$(wildcard $(SDKCONFIG))","")
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ifeq ("$(call prereq_if_explicit,defconfig)","")
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# if not configuration is present and defconfig is not a target, run defconfig then menuconfig
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$(SDKCONFIG): defconfig menuconfig
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else
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# otherwise, just defconfig
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$(SDKCONFIG): defconfig
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endif
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endif
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# defconfig creates a default config, based on SDKCONFIG_DEFAULTS if present
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defconfig: $(KCONFIG_TOOL_DIR)/mconf $(IDF_PATH)/Kconfig $(BUILD_DIR_BASE)
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$(summary) DEFCONFIG
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ifneq ("$(wildcard $(SDKCONFIG_DEFAULTS))","")
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cat $(SDKCONFIG_DEFAULTS) >> $(SDKCONFIG) # append defaults to sdkconfig, will override existing values
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endif
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mkdir -p $(BUILD_DIR_BASE)/include/config
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$(KCONFIG_TOOL_ENV) $(KCONFIG_TOOL_DIR)/conf --olddefconfig $(IDF_PATH)/Kconfig
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$(SDKCONFIG_MAKEFILE) $(BUILD_DIR_BASE)/include/sdkconfig.h: $(SDKCONFIG) $(KCONFIG_TOOL_DIR)/conf $(COMPONENT_KCONFIGS) $(COMPONENT_KCONFIGS_PROJBUILD)
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$(summary) GENCONFIG
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mkdir -p $(BUILD_DIR_BASE)/include/config
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cd $(BUILD_DIR_BASE); $(KCONFIG_TOOL_ENV) $(KCONFIG_TOOL_DIR)/conf --silentoldconfig $(IDF_PATH)/Kconfig
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touch $(SDKCONFIG_MAKEFILE) $(BUILD_DIR_BASE)/include/sdkconfig.h
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# touch to ensure both output files are newer - as 'conf' can also update sdkconfig (a dependency). Without this,
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# sometimes you can get an infinite make loop on Windows where sdkconfig always gets regenerated newer
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# than the target(!)
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.PHONY: config-clean
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config-clean:
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$(summary RM CONFIG)
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$(MAKE) -C $(KCONFIG_TOOL_DIR) clean
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rm -rf $(BUILD_DIR_BASE)/include/config $(BUILD_DIR_BASE)/include/sdkconfig.h
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