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ARCH = i386 | |
TOP_D = $(shell pwd) | |
BR_D = $(TOP_D)/buildroot | |
OUT_D = $(TOP_D)/output/$(ARCH) | |
BR_OUT_D = $(OUT_D)/buildroot | |
CONF_D = $(TOP_D)/conf | |
DL_D = $(TOP_D)/download | |
SKEL_D = $(OUT_D)/skeleton | |
TMPDIR ?= $(OUT_D)/tmp | |
export TMPDIR | |
DISK_IMG = $(OUT_D)/disk.img | |
PART_IMG = $(OUT_D)/part.img | |
TAR_IMG = $(OUT_D)/rootfs.tar | |
BR_TAR_IMG = $(BR_OUT_D)/images/rootfs.tar | |
BR2_CCACHE_DIR = $(TOP_D)/ccache/$(ARCH) | |
BR_MAKE = cd $(BR_D) && mkdir -p "$(TMPDIR)" && \ | |
make O=$(BR_OUT_D) BR2_DL_DIR=$(DL_D) \ | |
BR2_CONFIG=$(BR_OUT_D)/.config \ | |
BUSYBOX_CONFIG_FILE=$(BR_OUT_D)/busybox.config \ | |
BR2_CCACHE_DIR=$(BR2_CCACHE_DIR) | |
BR_DEPS = $(BR_D) $(BR_OUT_D)/busybox.config $(BR_OUT_D)/.config $(SKEL_D)/.dir | |
BR_CONFIG = $(CONF_D)/buildroot-$(ARCH).config | |
BUSYBOX_VERSION := $(shell sed -n \ | |
"s,^BUSYBOX_VERSION\s*=\s*\([^\s]*\).*,\1,p" \ | |
$(BR_D)/package/busybox/busybox.mk) | |
BUSYBOX_BUILD_DIR = $(BR_OUT_D)/build/busybox-$(BUSYBOX_VERSION) | |
BUSYBOX_BUILD_CONFIG = $(BUSYBOX_BUILD_DIR)/.config | |
unexport SED # causes random issues (LP: #920620) | |
all: $(TAR_IMG) | |
debug: | |
@echo "BR_DEPS: $(BR_DEPS)" | |
@echo "BR_MAKE: $(BR_MAKE)" | |
@echo "BR_OUT_D: $(BR_OUT_D)" | |
@echo "BUSYBOX_BUILD_CONFIG: $(BUSYBOX_BUILD_CONFIG)" | |
@echo "BUSYBOX_VERSION: $(BUSYBOX_VERSION)" | |
source: br_source minicloud_source | |
br_source: $(BR_DEPS) $(OUT_D)/.source.$(ARCH) | |
minicloud_source: $(DL_D)/.dir | |
@echo hi world | |
# here we would download the Ubuntu kernel | |
$(BR_D): | |
@[ -d "$(BR_D)" ] || { echo "You Must download BUILDROOT, extract it, and symlink to $(BR_D)"; exit 1; } | |
$(OUT_D)/.source.$(ARCH): | |
$(BR_MAKE) source | |
$(BR_OUT_D)/busybox.config: $(CONF_D)/busybox.config $(BR_OUT_D)/.dir | |
cp $(CONF_D)/busybox.config $@ | |
for s in configured built target_installed; do rm -f $(BR_OUT_D)/build/busybox-*/.stamp_$$s; done | |
$(BR_OUT_D)/.config: $(BR_CONFIG) $(BR_OUT_D)/.dir | |
cp $(BR_CONFIG) $@ | |
$(TAR_IMG): $(BR_TAR_IMG) | |
cp $(BR_TAR_IMG) $(TAR_IMG) | |
$(BR_TAR_IMG): $(BR_DEPS) | |
$(BR_MAKE) | |
$(SKEL_D)/.dir: | |
# copy BR_D/fs/skeleton, then sync src/ over the | |
# top of that. | |
# depends on $(BR_D)/fs/skeleton (somehow) | |
[ -d $(SKEL_D) ] || mkdir -p $(SKEL_D) | |
rsync -a $(BR_D)/system/skeleton/ $(SKEL_D)/ --delete | |
rsync -a $(TOP_D)/src/ $(SKEL_D)/ | |
touch $(SKEL_D)/.dir | |
br-menuconfig: $(BR_OUT_D)/.config | |
$(BR_MAKE) $* menuconfig | |
cp $(BR_OUT_D)/.config $(CONF_D)/buildroot-$(ARCH).config | |
br-busybox-menuconfig: $(BR_OUT_D)/busybox.config | |
$(BR_MAKE) $* busybox-menuconfig | |
cp $(BUSYBOX_BUILD_CONFIG) $(CONF_D)/busybox.config | |
br-%: $(BR_OUT_D)/.config $(BR_OUT_D)/busybox.config | |
$(BR_MAKE) $* | |
%/.dir: | |
mkdir -p $* && touch $@ |