esp-idf/make/project_config.mk
Angus Gratton 7c58c1e06b Build system: Allow components to add to the global CFLAGS via Makefile.projbuild
Used by mbedTLS to set MBEDTLS_CONFIG_FILE in all components.

This change sets CFLAGS/etc at the project level and then exports those
variables for components, rather than setting them independently each time
a component Makefile is invoked.
2016-09-09 11:08:19 +10:00

72 lines
3.1 KiB
Makefile

# 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
# clear MAKEFLAGS as the menuconfig makefile uses implicit compile rules
$(KCONFIG_TOOL_DIR)/mconf $(KCONFIG_TOOL_DIR)/conf:
MAKEFLAGS="" \
CC=$(HOSTCC) LD=$(HOSTLD) \
$(MAKE) -C $(KCONFIG_TOOL_DIR)
menuconfig: $(KCONFIG_TOOL_DIR)/mconf $(IDF_PATH)/Kconfig $(BUILD_DIR_BASE)
$(summary) MENUCONFIG
$(Q) KCONFIG_AUTOHEADER=$(PROJECT_PATH)/build/include/sdkconfig.h \
KCONFIG_CONFIG=$(PROJECT_PATH)/sdkconfig \
COMPONENT_KCONFIGS="$(COMPONENT_KCONFIGS)" \
COMPONENT_KCONFIGS_PROJBUILD="$(COMPONENT_KCONFIGS_PROJBUILD)" \
$(KCONFIG_TOOL_DIR)/mconf $(IDF_PATH)/Kconfig
ifeq ("$(wildcard $(PROJECT_PATH)/sdkconfig)","")
#No sdkconfig found. Need to run menuconfig to make this if we need it.
$(PROJECT_PATH)/sdkconfig: menuconfig
endif
defconfig: $(KCONFIG_TOOL_DIR)/mconf $(IDF_PATH)/Kconfig $(BUILD_DIR_BASE)
$(summary) DEFCONFIG
$(Q) mkdir -p $(PROJECT_PATH)/build/include/config
$(Q) KCONFIG_AUTOHEADER=$(PROJECT_PATH)/build/include/sdkconfig.h \
KCONFIG_CONFIG=$(PROJECT_PATH)/sdkconfig \
COMPONENT_KCONFIGS="$(COMPONENT_KCONFIGS)" \
COMPONENT_KCONFIGS_PROJBUILD="$(COMPONENT_KCONFIGS_PROJBUILD)" \
$(KCONFIG_TOOL_DIR)/conf --olddefconfig $(IDF_PATH)/Kconfig
# 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 get_variable help menuconfig defconfig
AUTO_CONF_REGEN_TARGET := $(PROJECT_PATH)/build/include/config/auto.conf
# disable AUTO_CONF_REGEN_TARGET if all targets are non-config targets
# (and not building default target)
ifneq ("$(MAKECMDGOALS)","")
ifeq ($(filter $(NON_CONFIG_TARGETS), $(MAKECMDGOALS)),$(MAKECMDGOALS))
AUTO_CONF_REGEN_TARGET :=
# dummy target
$(PROJECT_PATH)/build/include/config/auto.conf:
endif
endif
$(AUTO_CONF_REGEN_TARGET) $(PROJECT_PATH)/build/include/sdkconfig.h: $(PROJECT_PATH)/sdkconfig $(KCONFIG_TOOL_DIR)/conf $(COMPONENT_KCONFIGS) $(COMPONENT_KCONFIGS_PROJBUILD)
$(summary) GENCONFIG
$(Q) mkdir -p $(PROJECT_PATH)/build/include/config
$(Q) cd build; KCONFIG_AUTOHEADER="$(PROJECT_PATH)/build/include/sdkconfig.h" \
KCONFIG_CONFIG=$(PROJECT_PATH)/sdkconfig \
COMPONENT_KCONFIGS="$(COMPONENT_KCONFIGS)" \
COMPONENT_KCONFIGS_PROJBUILD="$(COMPONENT_KCONFIGS_PROJBUILD)" \
$(KCONFIG_TOOL_DIR)/conf --silentoldconfig $(IDF_PATH)/Kconfig
$(Q) touch $(AUTO_CONF_REGEN_TARGET) $(PROJECT_PATH)/build/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(!)
clean: config-clean
.PHONY: config-clean
config-clean:
$(summary RM CONFIG)
$(MAKE) -C $(KCONFIG_TOOL_DIR) clean
$(Q) rm -rf $(PROJECT_PATH)/build/include/config $(PROJECT_PATH)/build/include/sdkconfig.h