1 # Makefile support for the menuconfig system
3 #Find all Kconfig files for all components
4 COMPONENT_KCONFIGS := $(foreach component,$(COMPONENT_PATHS),$(wildcard $(component)/Kconfig))
5 COMPONENT_KCONFIGS_PROJBUILD := $(foreach component,$(COMPONENT_PATHS),$(wildcard $(component)/Kconfig.projbuild))
7 #For doing make menuconfig etc
8 KCONFIG_TOOL_DIR=$(IDF_PATH)/tools/kconfig
10 # set SDKCONFIG to the project's sdkconfig,
11 # unless it's overriden (happens for bootloader)
12 SDKCONFIG ?= $(PROJECT_PATH)/sdkconfig
14 # reset MAKEFLAGS as the menuconfig makefile uses implicit compile rules
15 $(KCONFIG_TOOL_DIR)/mconf $(KCONFIG_TOOL_DIR)/conf:
16 MAKEFLAGS=$(ORIGINAL_MAKEFLAGS) CC=$(HOSTCC) LD=$(HOSTLD) \
17 $(MAKE) -C $(KCONFIG_TOOL_DIR)
19 # use a wrapper environment for where we run Kconfig tools
20 KCONFIG_TOOL_ENV=KCONFIG_AUTOHEADER=$(abspath $(BUILD_DIR_BASE)/include/sdkconfig.h) \
21 COMPONENT_KCONFIGS="$(COMPONENT_KCONFIGS)" KCONFIG_CONFIG=$(SDKCONFIG) \
22 COMPONENT_KCONFIGS_PROJBUILD="$(COMPONENT_KCONFIGS_PROJBUILD)"
24 menuconfig: $(KCONFIG_TOOL_DIR)/mconf $(IDF_PATH)/Kconfig
26 $(KCONFIG_TOOL_ENV) $(KCONFIG_TOOL_DIR)/mconf $(IDF_PATH)/Kconfig
28 ifeq ("$(wildcard $(SDKCONFIG))","")
29 ifeq ("$(filter defconfig,$(MAKECMDGOALS))","")
30 # if not configuration is present and defconfig is not a target, run makeconfig
31 $(SDKCONFIG): menuconfig
33 $(SDKCONFIG): defconfig
37 defconfig: $(KCONFIG_TOOL_DIR)/mconf $(IDF_PATH)/Kconfig $(BUILD_DIR_BASE)
39 mkdir -p $(BUILD_DIR_BASE)/include/config
40 $(KCONFIG_TOOL_ENV) $(KCONFIG_TOOL_DIR)/conf --olddefconfig $(IDF_PATH)/Kconfig
42 # Work out of whether we have to build the Kconfig makefile
43 # (auto.conf), or if we're in a situation where we don't need it
44 NON_CONFIG_TARGETS := clean %-clean help menuconfig defconfig
45 AUTO_CONF_REGEN_TARGET := $(SDKCONFIG_MAKEFILE)
47 # disable AUTO_CONF_REGEN_TARGET if all targets are non-config targets
48 # (and not building default target)
49 ifneq ("$(MAKECMDGOALS)","")
50 ifeq ($(filter $(NON_CONFIG_TARGETS), $(MAKECMDGOALS)),$(MAKECMDGOALS))
51 AUTO_CONF_REGEN_TARGET :=
53 $(SDKCONFIG_MAKEFILE):
57 $(AUTO_CONF_REGEN_TARGET) $(BUILD_DIR_BASE)/include/sdkconfig.h: $(SDKCONFIG) $(KCONFIG_TOOL_DIR)/conf $(COMPONENT_KCONFIGS) $(COMPONENT_KCONFIGS_PROJBUILD)
59 mkdir -p $(BUILD_DIR_BASE)/include/config
60 cd $(BUILD_DIR_BASE); $(KCONFIG_TOOL_ENV) $(KCONFIG_TOOL_DIR)/conf --silentoldconfig $(IDF_PATH)/Kconfig
61 touch $(AUTO_CONF_REGEN_TARGET) $(BUILD_DIR_BASE)/include/sdkconfig.h
62 # touch to ensure both output files are newer - as 'conf' can also update sdkconfig (a dependency). Without this,
63 # sometimes you can get an infinite make loop on Windows where sdkconfig always gets regenerated newer
69 $(MAKE) -C $(KCONFIG_TOOL_DIR) clean
70 rm -rf $(BUILD_DIR_BASE)/include/config $(BUILD_DIR_BASE)/include/sdkconfig.h