mirror of https://github.com/OpenIPC/firmware.git
145 lines
5.5 KiB
Makefile
145 lines
5.5 KiB
Makefile
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ROOT_DIR := $(CURDIR)
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BR_VER := 2020.02.12
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BR_DIR := $(ROOT_DIR)/buildroot-$(BR_VER)
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BR_EXT_DIR := $(ROOT_DIR)/br-ext-chip-$(PLATFORM)
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SCRIPTS_DIR := $(ROOT_DIR)/scripts
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#BOARDS := $(shell ls -1 $(BR_EXT_DIR)/configs)
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.PHONY: usage help clean distclean prepare install-deps all toolchain-params run-tests overlayed-rootfs-%
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usage help:
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@echo -e \
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"\n\
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BR-OpenIPC usage:\n\
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- make help|usage - print this help\n\
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- make install-deps - install system deps\n\
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- make prepare - download and unpack buildroot\n\
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- make list-configs - show available hardware configs list\n\
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- make BOARD=<BOARD-ID> board-info - write to stdout information about selected board\n\
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- make BOARD=<BOARD-ID> all - build all needed for a board (toolchain, kernel and rootfs images)\n\
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- make overlayed-rootfs-<FS-TYPE> ROOTFS_OVERLAYS=... - create rootfs image that contains original\n\
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- make clean - cleaning before reassembly\n\
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- make distclean - switching to the factory state\n\
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Buildroot target dir overlayed by some custom layers.\n\
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Example:\n\
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make overlayed-rootfs-squashfs ROOTFS_OVERLAYS=./examples/echo_server/overlay\n\
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"
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distclean:
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@rm -rf output buildroot-$(BR_VER)
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clean:
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@rm -rf output/target output/.config
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prepare: $(BR_DIR)
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$(ROOT_DIR)/buildroot-$(BR_VER).tar.gz:
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wget -O $@ --header="Host: buildroot.org" --no-check-certificate https://buildroot.org/downloads/buildroot-$(BR_VER).tar.gz
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$(BR_DIR): $(ROOT_DIR)/buildroot-$(BR_VER).tar.gz
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tar -C $(ROOT_DIR) -xf buildroot-$(BR_VER).tar.gz
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rm -f buildroot-$(BR_VER).tar.gz
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install-deps:
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DEBIAN_FRONTEND=noninteractive sudo apt-get update && sudo apt-get -y install build-essential make libncurses-dev wget
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%_info:
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@echo
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@cat $(BR_EXT_DIR)/board/$(subst _info,,$@)/config | grep RAM_LINUX_SIZE
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$(eval VENDOR := $(shell echo $@ | cut -d "_" -f 1))
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$(eval FAMILY := $(shell cat $(BR_EXT_DIR)/board/$(subst _info,,$@)/config | grep FAMILY | cut -d "=" -f 2))
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$(eval CHIP := $(shell echo $@ | cut -d "_" -f 3))
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@cat $(BR_EXT_DIR)/board/$(FAMILY)/$(CHIP).config
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list-configs:
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@echo
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@ls -1 $(BR_EXT_DIR)/configs
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# -------------------------------------------------------------------------------------------------
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OUT_DIR ?= $(ROOT_DIR)/output
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# Buildroot considers relative paths relatively to its' own root directory. So we use absolute paths
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# to avoid ambiguity
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override OUT_DIR := $(abspath $(OUT_DIR))
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BOARD_MAKE := $(MAKE) -C $(BR_DIR) BR2_EXTERNAL=$(BR_EXT_DIR) O=$(OUT_DIR)
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define CREATE_TOOLCHAIN_PARAMS
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eval $$($(BOARD_MAKE) -s --no-print-directory VARS=GNU_TARGET_NAME printvars) \
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&& $(SCRIPTS_DIR)/create_toolchain_binding.sh $(OUT_DIR)/host/bin $$GNU_TARGET_NAME \
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> $(OUT_DIR)/toolchain-params.mk
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endef
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# -------------------------------------------------------------------------------------------------
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$(OUT_DIR)/.config:
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ifndef BOARD
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@echo "Variable BOARD must be defined to initialize output directory" >&2 && exit 1
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endif
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$(BOARD_MAKE) BR2_DEFCONFIG=$(BR_EXT_DIR)/configs/$(BOARD)_defconfig defconfig
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$(OUT_DIR)/toolchain-params.mk: $(OUT_DIR)/.config $(SCRIPTS_DIR)/create_toolchain_binding.sh
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$(CREATE_TOOLCHAIN_PARAMS)
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# -------------------------------------------------------------------------------------------------
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# build all needed for a board
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all: $(OUT_DIR)/.config $(OUT_DIR)/toolchain-params.mk
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$(BOARD_MAKE) all
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# -------------------------------------------------------------------------------------------------
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# re-create params file
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toolchain-params:
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$(CREATE_TOOLCHAIN_PARAMS)
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# -------------------------------------------------------------------------------------------------
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# create rootfs image that contains original Buildroot target dir overlayed by some custom layers
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# space-separated list of overlays
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ROOTFS_OVERLAYS ?=
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# overlayed rootfs directory
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ROOTFS_OVERLAYED_DIR ?= $(OUT_DIR)/target-overlayed
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# overlayed rootfs image's name (without prefix)
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ROOTFS_OVERLAYED_IMAGE ?= rootfs-overlayed
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overlayed-rootfs-%: $(OUT_DIR)/.config
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$(SCRIPTS_DIR)/create_overlayed_rootfs.sh $(ROOTFS_OVERLAYED_DIR) $(OUT_DIR)/target $(ROOTFS_OVERLAYS)
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$(BOARD_MAKE) $(subst overlayed-,,$@) \
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BASE_TARGET_DIR=$(abspath $(ROOTFS_OVERLAYED_DIR)) \
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ROOTFS_$(call UPPERCASE,$(subst overlayed-rootfs-,,$@))_FINAL_IMAGE_NAME=$(ROOTFS_OVERLAYED_IMAGE).$(subst overlayed-rootfs-,,$@)
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# -------------------------------------------------------------------------------------------------
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board-info:
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@cat $(BR_EXT_DIR)/board/$(BOARD)/config | grep RAM_LINUX_SIZE
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$(eval VENDOR := $(shell echo $(BOARD) | cut -d "_" -f 1))
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$(eval FAMILY := $(shell cat $(BR_EXT_DIR)/board/$(BOARD)/config | grep FAMILY | cut -d "=" -f 2))
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$(eval CHIP := $(shell echo $(BOARD) | cut -d "_" -f 3))
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@cat $(BR_EXT_DIR)/board/$(FAMILY)/$(CHIP).config
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@cat $(BR_EXT_DIR)/board/$(BOARD)/config
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# -------------------------------------------------------------------------------------------------
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# such targets (with trimmed `br-` prefix) are passed to Buildroot's Makefile
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br-%: $(OUT_DIR)/.config
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$(BOARD_MAKE) $(subst br-,,$@)
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# -------------------------------------------------------------------------------------------------
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run-tests:
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$(MAKE) -C $(ROOT_DIR)/tests
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# -------------------------------------------------------------------------------------------------
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# there are some extra targets of specific packages
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include $(sort $(wildcard $(ROOT_DIR)/extra/*.mk))
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# -------------------------------------------------------------------------------------------------
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# util stuff is below
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UPPERCASE = $(shell echo $(1) | tr a-z A-Z)
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