ARCHS := x86_64 arm aarch64 powerpc mips mipsel

TARGETS := $(addprefix build-, $(ARCHS))
PYTHON_TARGETS := $(addprefix build-with-python-, $(ARCHS))
ALL_TARGETS := $(TARGETS) $(PYTHON_TARGETS)

PACK_TARGETS := $(addprefix pack-, $(ARCHS))
PYTHON_PACK_TARGETS := $(addprefix pack-with-python-, $(ARCHS))
ALL_PACK_TARGETS := $(PACK_TARGETS) $(PYTHON_PACK_TARGETS)

SUBMODULE_PACKAGES := $(wildcard src/submodule_packages/*)
BUILD_PACKAGES_DIR := "build/packages"

.PHONY: clean help download_packages build build-docker-image $(ALL_TARGETS) $(ALL_PACK_TARGETS)

.NOTPARALLEL: build pack

help:
	@echo "Usage:"
	@echo "  make build"
	@echo ""

	@for target in $(ALL_TARGETS); do \
		echo "  $$target"; \
	done

	@echo ""
	@echo "  make clean"

build/build-docker-image.stamp: Dockerfile
	mkdir -p build
	docker buildx build --tag gdb-static .
	touch build/build-docker-image.stamp

build-docker-image: build/build-docker-image.stamp

build/download-packages.stamp: build/build-docker-image.stamp src/compilation/download_packages.sh
	mkdir -p $(BUILD_PACKAGES_DIR)
	docker run --user $(shell id -u):$(shell id -g) \
		--rm --volume .:/app/gdb gdb-static env TERM=xterm-256color \
		/app/gdb/src/compilation/download_packages.sh /app/gdb/$(BUILD_PACKAGES_DIR)/
	touch build/download-packages.stamp

build/symlink-git-packages.stamp: $(SUBMODULE_PACKAGES)
	mkdir -p $(BUILD_PACKAGES_DIR)
	ln -sf $(addprefix /app/gdb/, $(SUBMODULE_PACKAGES)) $(BUILD_PACKAGES_DIR)/

symlink-git-packages: build/symlink-git-packages.stamp

download-packages: build/download-packages.stamp

build: $(ALL_TARGETS)

$(TARGETS): build-%:
	@$(MAKE) _build-$*

$(PYTHON_TARGETS): build-with-python-%:
	@WITH_PYTHON="--with-python" $(MAKE) _build-$*

_build-%: symlink-git-packages download-packages build-docker-image
	mkdir -p build
	docker run --user $(shell id -u):$(shell id -g) \
		--rm --volume .:/app/gdb gdb-static env TERM=xterm-256color \
		/app/gdb/src/compilation/build.sh $* /app/gdb/build/ /app/gdb/src $(WITH_PYTHON)

pack: $(ALL_PACK_TARGETS)

$(PACK_TARGETS): pack-%:
	@$(MAKE) _pack-$*

$(PYTHON_PACK_TARGETS): pack-with-python-%:
	@TAR_EXT="with-python-" ARTIFACT_EXT="_with_python" $(MAKE) _pack-$*

_pack-%: build-%
	if [ ! -f "build/artifacts/gdb-static-$(TAR_EXT)$*.tar.gz" ]; then \
		tar -czf "build/artifacts/gdb-static-$(TAR_EXT)$*.tar.gz" -C "build/artifacts/$*$(ARTIFACT_EXT)" .; \
	fi

clean-git-packages:
	git submodule foreach '[[ ! "$$sm_path" == src/submodule_packages/* ]] || git clean -xffd'

clean: clean-git-packages
	rm -rf build
# Kill and remove all containers of image gdb-static
	docker ps -a | grep -P "^[a-f0-9]+\s+gdb-static\s+" | awk '{print $$1}' | xargs docker rm -f 2>/dev/null || true
	docker rmi -f gdb-static 2>/dev/null || true