# vim: filetype=make PROJECT_BASE ?= $(shell pwd) O ?= $(PROJECT_BASE)/outdir ARCH ?= x86 # Turn O into an absolute path; we call the main Kbuild with $(MAKE) -C # which changes the working directory, relative paths don't work right. # Need to create the directory first to make readlink happy $(shell mkdir -p $(O)) override O := $(shell readlink -f $(O)) export ARCH MDEF_FILE QEMU_EXTRA_FLAGS PROJECT_BASE ifndef KERNEL_TYPE KERNEL_TYPE = micro endif ifdef PLATFORM_CONFIG KBUILD_DEFCONFIG_PATH=$(ZEPHYR_BASE)/arch/$(ARCH)/configs/$(PLATFORM_CONFIG)_defconfig export KBUILD_DEFCONFIG_PATH else $(error PLATFORM_CONFIG is not defined!) endif SOURCE_DIR ?= $(PROJECT_BASE)/src/ # Kbuild doesn't work correctly if this is an absolute path # FIXME Do not depend on python override SOURCE_DIR := $(shell python -c "import os.path; print(\"%s\" % os.path.relpath(os.path.realpath('$(SOURCE_DIR)'), os.path.realpath('$(ZEPHYR_BASE)')))")/ export SOURCE_DIR ifeq ("$(origin V)", "command line") KBUILD_VERBOSE = $(V) endif ifndef KBUILD_VERBOSE KBUILD_VERBOSE = 0 endif ifeq ($(KBUILD_VERBOSE),1) Q = S = else Q = @ S = -s endif zephyrmake = @$(MAKE) -C $(ZEPHYR_BASE) O=$(1) CFLAGS="$(CFLAGS)" \ PROJECT=$(PROJECT_BASE) SOURCE_DIR=$(SOURCE_DIR) $(2) DOTCONFIG = $(O)/.config all: $(DOTCONFIG) $(Q)$(call zephyrmake,$(O),$@) qemu: $(DOTCONFIG) $(Q)$(call zephyrmake,$(O),$@) initconfig: $(DOTCONFIG) menuconfig: initconfig $(Q)$(call zephyrmake,$(O),$@) # Catch all %: $(Q)$(call zephyrmake,$(O),$@) KERNEL_CONFIG = $(ZEPHYR_BASE)/kernel/configs/$(KERNEL_TYPE).config $(DOTCONFIG): $(KBUILD_DEFCONFIG_PATH) $(CONF_FILE) $(Q)$(CONFIG_SHELL) $(ZEPHYR_BASE)/scripts/kconfig/merge_config.sh \ -q -m -O $(O) $(KBUILD_DEFCONFIG_PATH) $(KERNEL_CONFIG) $(CONF_FILE) $(Q)yes "" | $(MAKE) $(S) -C $(ZEPHYR_BASE) O=$(O) \ PROJECT=$(PROJECT_BASE) oldconfig pristine: $(Q)rm -rf $(O) PHONY += FORCE initconfig FORCE: .PHONY: $(PHONY)