STATIC_VFS=vfs/static.go
OUT_DIR=output
ENV=GO111MODULE=on

GO_LDFLAGS=-ldflags "-linkmode external -extldflags -static"

all: build

$(OUT_DIR):
	mkdir $@

test: $(STATIC_VFS) $(OUT_DIR)
	$(ENV) go test ./...

clean:
	rm -rf $(STATIC_VFS)
	rm -rf $(OUT_DIR)

$(STATIC_VFS):
	go run github.com/mjibson/esc -o vfs/static.go -prefix="static/" -pkg vfs static

build: $(STATIC_VFS) $(OUT_DIR)
	# native
	CGO_ENABLED=1 GOOS=linux GOARCH=amd64 CC=x86_64-linux-gnu-gcc go build $(GO_LDFLAGS) -o $(OUT_DIR)/mapserver-linux-x86_64
	# apt install gcc-8-i686-linux-gnu
	CGO_ENABLED=1 GOOS=linux GOARCH=386 CC=i686-linux-gnu-gcc-8 go build $(GO_LDFLAGS) -o $(OUT_DIR)/mapserver-linux-x86
	# apt install gcc-mingw-w64
	GOARCH=386 GOOS=windows CC=i686-w64-mingw32-gcc CGO_ENABLED=1 go build -o $(OUT_DIR)/mapserver-windows-x86.exe
	GOARCH=amd64 GOOS=windows CC=x86_64-w64-mingw32-gcc CGO_ENABLED=1 go build -o $(OUT_DIR)/mapserver-windows-x86-64.exe
	# apt install gcc-5-arm-linux-gnueabihf, TODO: container
	GOARCH=arm GOARM=7 CC=arm-linux-gnueabihf-gcc-5 CGO_ENABLED=1 go build $(GO_LDFLAGS) -o $(OUT_DIR)/mapserver-linux-arm