zephyr/Makefile.inc
Anas Nashif 7bf6ce5b3b build: support multiple defconfigs per board
We will now look for the defconfig to be used using wildcards which will
allow us to host similar boards in the same directory and share all existing
files.

JIRA: ZEP-103

Change-Id: Icfe5dc2fa4b2c4e21e6b1285d80e0c844d430d7d
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2016-03-14 20:54:08 +00:00

113 lines
2.6 KiB
Makefile

# vim: filetype=make
#
DQUOTE = "
# "
ARCH ?= x86
PROJECT_BASE ?= $(CURDIR)
O ?= $(PROJECT_BASE)/outdir
# Turn O into an absolute path; we call the main Kbuild with $(MAKE) -C
# which changes the working directory, relative paths don't work right.
# Need to create the directory first to make realpath happy
ifneq ($(MAKECMDGOALS),help)
$(shell mkdir -p $(O))
override O := $(realpath $(O))
endif
export ARCH MDEF_FILE QEMU_EXTRA_FLAGS PROJECT_BASE
KERNEL_TYPE ?= micro
override CONF_FILE := $(strip $(subst $(DQUOTE),,$(CONF_FILE)))
ifdef BOARD
KBUILD_DEFCONFIG_PATH=$(wildcard $(ZEPHYR_BASE)/boards/*/$(BOARD)_defconfig)
export KBUILD_DEFCONFIG_PATH
else
$(error BOARD 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)')))")/
override SOURCE_DIR := $(subst \,/,$(SOURCE_DIR))
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,$(O),$@)
ifeq ($(findstring qemu_,$(BOARD)),)
qemu:
@echo "Emulation not available for this platform"
else
qemu: $(DOTCONFIG)
$(Q)$(call zephyrmake,$(O),$@)
endif
debug: $(DOTCONFIG)
$(Q)$(call zephyrmake,$(O),$@)
flash: $(DOTCONFIG)
$(Q)$(call zephyrmake,$(O),$@)
ifeq ($(MAKECMDGOALS),debugserver)
-include $(ZEPHYR_BASE)/boards/$(BOARD)/Makefile.board
-include $(ZEPHYR_BASE)/scripts/Makefile.toolchain.$(ZEPHYR_GCC_VARIANT)
BOARD_NAME = $(BOARD)
export BOARD_NAME
endif
debugserver: FORCE
$(Q)$(CONFIG_SHELL) $(ZEPHYR_BASE)/scripts/support/$(FLASH_SCRIPT) debugserver
initconfig: $(DOTCONFIG)
menuconfig: initconfig
$(Q)$(call zephyrmake,$(O),$@)
help:
$(Q)$(MAKE) -s -C $(ZEPHYR_BASE) $@
# 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)
$(Q)$(MAKE) $(S) -C $(ZEPHYR_BASE) O=$(O) PROJECT=$(PROJECT_BASE) oldnoconfig
pristine:
$(Q)rm -rf $(O)
PHONY += FORCE initconfig
FORCE:
.PHONY: $(PHONY)