Makefile

CURDIR=$(shell pwd)
BUILD_DIR=$(CURDIR)/build
JAVA_INFO_SRC=$(CURDIR)/metadata-extractor/JvmMetadataExtractor.java
JAVA_BUILD_DIR=$(BUILD_DIR)/dist/metadata-extractor
JAVA_INFO_CLASS=$(JAVA_BUILD_DIR)/JvmMetadataExtractor.class
FINDJAVA_SOURCES=$(CURDIR)/findjava
GO_BUILD_DIR=$(BUILD_DIR)/dist
MAIN_PROGRAM=$(GO_BUILD_DIR)/findjava
SOURCES := $(shell find $(FINDJAVA_SOURCES) -name '*.go')
VERSION = $(shell cat ./version.txt)

.PHONY: all
all: format test build

.PHONY: clean
clean:
	rm -rf "$(BUILD_DIR)"

.PHONY: build
build: $(JAVA_INFO_CLASS) $(MAIN_PROGRAM)

$(JAVA_INFO_CLASS): $(JAVA_INFO_SRC)
	@mkdir -p "$(JAVA_BUILD_DIR)"
	javac --release 8 -d "$(JAVA_BUILD_DIR)" $(JAVA_INFO_SRC)

$(MAIN_PROGRAM): $(SOURCES)
	@mkdir -p "$(GO_BUILD_DIR)"
	cd $(FINDJAVA_SOURCES) && go build \
		$(GO_TAGS) \
		-ldflags "-s -w -X 'main.Version=$(VERSION)' $(GO_LD_FLAGS)" \
		-o "$(GO_BUILD_DIR)" ./...

.PHONY: format
format: $(SOURCES)
	cd $(FINDJAVA_SOURCES) && go fmt ./...

.PHONY: test
test: $(JAVA_INFO_CLASS) $(SOURCES)
	cd $(FINDJAVA_SOURCES) && go test $(GO_TAGS) ./...