# unless it's overriden (happens for bootloader)
SDKCONFIG ?= $(PROJECT_PATH)/sdkconfig
-# reset MAKEFLAGS as the menuconfig makefile uses implicit compile rules
-$(KCONFIG_TOOL_DIR)/mconf $(KCONFIG_TOOL_DIR)/conf:
- MAKEFLAGS=$(ORIGINAL_MAKEFLAGS) CC=$(HOSTCC) LD=$(HOSTLD) \
- $(MAKE) -C $(KCONFIG_TOOL_DIR)
+# SDKCONFIG_DEFAULTS is an optional file containing default
+# overrides (usually used for esp-idf examples)
+SDKCONFIG_DEFAULTS ?= $(PROJECT_PATH)/sdkconfig.defaults
-# use a wrapper environment for where we run Kconfig tools
-KCONFIG_TOOL_ENV=KCONFIG_AUTOHEADER=$(abspath $(BUILD_DIR_BASE)/include/sdkconfig.h) \
- COMPONENT_KCONFIGS="$(COMPONENT_KCONFIGS)" KCONFIG_CONFIG=$(SDKCONFIG) \
- COMPONENT_KCONFIGS_PROJBUILD="$(COMPONENT_KCONFIGS_PROJBUILD)"
+# Workaround to run make parallel (-j). mconf and conf cannot be made simultaneously
+$(KCONFIG_TOOL_DIR)/mconf: $(KCONFIG_TOOL_DIR)/conf
-menuconfig: $(KCONFIG_TOOL_DIR)/mconf $(IDF_PATH)/Kconfig
- $(summary) MENUCONFIG
- $(KCONFIG_TOOL_ENV) $(KCONFIG_TOOL_DIR)/mconf $(IDF_PATH)/Kconfig
+# reset MAKEFLAGS as the menuconfig makefile uses implicit compile rules
+$(KCONFIG_TOOL_DIR)/mconf $(KCONFIG_TOOL_DIR)/conf: $(wildcard $(KCONFIG_TOOL_DIR)/*.c)
+ MAKEFLAGS="" CC=$(HOSTCC) LD=$(HOSTLD) \
+ $(MAKE) -C $(KCONFIG_TOOL_DIR)
ifeq ("$(wildcard $(SDKCONFIG))","")
-ifeq ("$(call prereq_if_explicit,defconfig)","")
-# if not configuration is present and defconfig is not a target, run makeconfig
+# if no configuration file is present we need a rule for it
+ifeq ("$(filter $(NON_INTERACTIVE_TARGET), $(MAKECMDGOALS))","")
+# if special non-interactive item is not a named target (eg. 'defconfig', 'clean')
+# run defconfig then menuconfig to get the initial config
$(SDKCONFIG): menuconfig
+menuconfig: defconfig
else
+# otherwise, just run defconfig
$(SDKCONFIG): defconfig
endif
endif
-defconfig: $(KCONFIG_TOOL_DIR)/mconf $(IDF_PATH)/Kconfig $(BUILD_DIR_BASE)
- $(summary) DEFCONFIG
+# macro for the commands to run kconfig tools conf or mconf.
+# $1 is the name (& args) of the conf tool to run
+define RunConf
mkdir -p $(BUILD_DIR_BASE)/include/config
- $(KCONFIG_TOOL_ENV) $(KCONFIG_TOOL_DIR)/conf --olddefconfig $(IDF_PATH)/Kconfig
+ cd $(BUILD_DIR_BASE); KCONFIG_AUTOHEADER=$(abspath $(BUILD_DIR_BASE)/include/sdkconfig.h) \
+ COMPONENT_KCONFIGS="$(COMPONENT_KCONFIGS)" KCONFIG_CONFIG=$(SDKCONFIG) \
+ COMPONENT_KCONFIGS_PROJBUILD="$(COMPONENT_KCONFIGS_PROJBUILD)" \
+ $(KCONFIG_TOOL_DIR)/$1 $(IDF_PATH)/Kconfig
+endef
-# 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 := $(SDKCONFIG_MAKEFILE)
+ifndef MAKE_RESTARTS
+# menuconfig, defconfig and "GENCONFIG" configuration generation only
+# ever run on the first make pass, subsequent passes don't run these
+# (make often wants to re-run them as the conf tool can regenerate the
+# sdkconfig input file as an output file, but this is not what the
+# user wants - a single config pass is enough to produce all output
+# files.)
+#
+# To prevent problems missing genconfig, ensure none of these targets
+# depend on any prerequisite that may cause a make restart as part of
+# the prerequisite's own recipe.
-# disable AUTO_CONF_REGEN_TARGET if all targets are non-config targets
-# (and not building default target)
-ifneq ("$(MAKECMDGOALS)","")
-ifeq ($(filter $(NON_CONFIG_TARGETS), $(MAKECMDGOALS)),$(MAKECMDGOALS))
-AUTO_CONF_REGEN_TARGET :=
-# dummy target
-$(SDKCONFIG_MAKEFILE):
+menuconfig: $(KCONFIG_TOOL_DIR)/mconf
+ $(summary) MENUCONFIG
+ifdef BATCH_BUILD
+ @echo "Can't run interactive configuration inside non-interactive build process."
+ @echo ""
+ @echo "Open a command line terminal and run 'make menuconfig' from there."
+ @echo "See esp-idf documentation for more details."
+ @exit 1
+else
+ $(call RunConf,mconf)
endif
+
+# defconfig creates a default config, based on SDKCONFIG_DEFAULTS if present
+defconfig: $(KCONFIG_TOOL_DIR)/conf
+ $(summary) DEFCONFIG
+ifneq ("$(wildcard $(SDKCONFIG_DEFAULTS))","")
+ cat $(SDKCONFIG_DEFAULTS) >> $(SDKCONFIG) # append defaults to sdkconfig, will override existing values
endif
+ $(call RunConf,conf --olddefconfig)
-$(AUTO_CONF_REGEN_TARGET) $(BUILD_DIR_BASE)/include/sdkconfig.h: $(SDKCONFIG) $(KCONFIG_TOOL_DIR)/conf $(COMPONENT_KCONFIGS) $(COMPONENT_KCONFIGS_PROJBUILD)
+# if neither defconfig or menuconfig are requested, use the GENCONFIG rule to
+# ensure generated config files are up to date
+$(SDKCONFIG_MAKEFILE) $(BUILD_DIR_BASE)/include/sdkconfig.h: $(KCONFIG_TOOL_DIR)/conf $(SDKCONFIG) $(COMPONENT_KCONFIGS) $(COMPONENT_KCONFIGS_PROJBUILD) | $(call prereq_if_explicit,defconfig) $(call prereq_if_explicit,menuconfig)
$(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
-# 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(!)
+ifdef BATCH_BUILD # can't prompt for new config values like on terminal
+ $(call RunConf,conf --olddefconfig)
+endif
+ $(call RunConf,conf --silentoldconfig)
+ touch $(SDKCONFIG_MAKEFILE) $(BUILD_DIR_BASE)/include/sdkconfig.h # ensure newer than sdkconfig
+
+else # "$(MAKE_RESTARTS)" != ""
+# on subsequent make passes, skip config generation entirely
+defconfig:
+menuconfig:
+endif
-.PHONY: config-clean
+.PHONY: config-clean defconfig menuconfig
config-clean:
- $(summary RM CONFIG)
- $(MAKE) -C $(KCONFIG_TOOL_DIR) clean
+ $(summary) RM CONFIG
+ MAKEFLAGS="" $(MAKE) -C $(KCONFIG_TOOL_DIR) clean
rm -rf $(BUILD_DIR_BASE)/include/config $(BUILD_DIR_BASE)/include/sdkconfig.h
projects / esp-idf / blobdiff