BR2_EXTERNAL ?= $(BR_PROJECT)/../../bsp/buildroot_external/

BR_PROJECT_CONFIG = buildroot_defconfig
BR_PROJECT_CONFIG_PATH = $(BR_PROJECT)/configs/$(BR_PROJECT_CONFIG)

BR_TOOLCHAIN_CONFIG = toolchain_defconfig
BR_TOOLCHAIN_CONFIG_PATH = $(BR_PROJECT)/configs/$(BR_TOOLCHAIN_CONFIG)

BR_ENV = BR2_EXTERNAL=$(BR2_EXTERNAL) O=$(BR_STAGING)/buildroot/ WORKSPACE_DIR=$(BR_STAGING)
BR_ENV += BUILDS_ROOT=$(BR_LOCAL_BUILDS_ROOT) BOARD=$(BR_BOARD) PROJECT=$(BR_PROJECT)
BR_ENV += BR2_DEFCONFIG_FROM_ENV=1

# Project.
buildroot.menuconfig: buildroot.config
	$(MAKE) $(BR_ENV) BR2_DEFCONFIG=$(BR_PROJECT_CONFIG_PATH) -C $(BR_PROJECT)/../../bsp/buildroot/ menuconfig
	@echo "Saving defconfig (Waiting) ...."
	$(MAKE) $(BR_ENV) BR2_DEFCONFIG=$(BR_PROJECT_CONFIG_PATH) -C $(BR_PROJECT)/../../bsp/buildroot/ savedefconfig
	@echo "Saving defconfig done."

buildroot: buildroot.config
	$(MAKE) $(BR_ENV) -C $(BR_PROJECT)/../../bsp/buildroot/ $(BR_TARGET)

buildroot.shell: buildroot.config
	$(MAKE) $(BR_ENV) -C $(BR_PROJECT)/../../bsp/buildroot/ dirs outputmakefile
	$(eval export $(BR_ENV))
	cd $(BR_STAGING)/buildroot/; $(BR_ENV) bash

buildroot.config:
	@mkdir -p $(BR_STAGING)/buildroot/
ifeq ("$(wildcard $(BR_STAGING)/buildroot/.config)","")
	@cp $(BR_PROJECT_CONFIG_PATH) $(BR_STAGING)/buildroot/.config
	$(MAKE) $(BR_ENV) BR2_DEFCONFIG=$(BR_PROJECT_CONFIG_PATH) -C $(BR_PROJECT)/../../bsp/buildroot/ defconfig
endif

# Toolchain.
toolchain.menuconfig: toolchain.config
	$(MAKE) $(BR_ENV) BR2_DEFCONFIG=$(BR_TOOLCHAIN_CONFIG_PATH) -C $(BR_PROJECT)/../../bsp/buildroot/ menuconfig
	@echo "Saving defconfig (Waiting) ...."
	$(MAKE) $(BR_ENV) BR2_DEFCONFIG=$(BR_TOOLCHAIN_CONFIG_PATH) -C $(BR_PROJECT)/../../bsp/buildroot/ savedefconfig
	@echo "Saving defconfig done."

toolchain.config:
	@mkdir -p $(BR_STAGING)/buildroot/
ifeq ("$(wildcard $(BR_STAGING)/buildroot/.config)","")
	@cp $(BR_TOOLCHAIN_CONFIG_PATH) $(BR_STAGING)/buildroot/.config
	$(MAKE) $(BR_ENV) BR2_DEFCONFIG=$(BR_TOOLCHAIN_CONFIG_PATH) -C $(BR_PROJECT)/../../bsp/buildroot/ defconfig
endif

toolchain.archive:
	cd $(BR_STAGING)/cross/usr; tar cvjf $(BR_STAGING)/toolchain.tar.bz2 *

install.sd:
	sudo dd if=$(BR_STAGING)/buildroot/images/sdcard.img of=/dev/mmcblk0 && sync && sync