override SHELL := /bin/sh
override MAKEFLAGS += --no-print-directory

.DEFAULT_GOAL := help
.DELETE_ON_ERROR:

override CARGO := cargo
override CARGO_FLAGS := --locked --offline

override EMBEDDED_TARGET := thumbv7em-none-eabihf
override TARGET_DIR := ../target/$(EMBEDDED_TARGET)/release
override SCRIPTS_DIR := ../scripts

override BOARDS := geprc-f722-v2 kakute-f7-mini-v3
override BOARD_PACKAGES := $(addprefix kaptan-,$(BOARDS))
override BOARD_PACKAGE_ARGS := $(addprefix -p ,$(BOARD_PACKAGES))

override PRIMARY_GOAL := $(firstword $(MAKECMDGOALS))

run:
	@exec python3 ../../scripts/make-argv.py exec run $(CARGO) build --release \
		$(CARGO_FLAGS) $(BOARD_PACKAGE_ARGS) --target $(EMBEDDED_TARGET)
	@set -e; for board in $(BOARD_PACKAGES); do \
		$(SCRIPTS_DIR)/create-dfu-image.sh $(TARGET_DIR)/$$board; \
	done

ifeq ($(PRIMARY_GOAL),run)

.PHONY: run

# Application arguments may also look like Make goals. The run recipe recovers
# their exact boundaries from the original invocation.
.DEFAULT:
	@:

else

.PHONY: help run

help:
	@printf '%s\n' 'Usage: make firmware/boards -- <cargo build arguments...>' '' \
		'With no arguments, every board is built and packaged.'

endif