.PHONY: all clean clean-deps

TARGET=public/elm.js
SOURCE=src/App.elm

ELM_FILES = $(shell find src -type f -name '*.elm')
ELM = ./bin/elm

ELMMAKE_FLAGS =
ifeq ($(DEBUG),1)
	ELMMAKE_FLAGS += --debug
endif

SIPJS=public/sip.js

all: $(SIPJS) $(TARGET)

$(ELM):
	mkdir -p ./bin
	curl -sL https://github.com/elm/compiler/releases/download/0.19.1/binary-for-linux-64-bit.gz \
		| gunzip > $@
	chmod +x $@

$(SIPJS):
	curl -sL https://sipjs.com/download/sip-0.16.0.min.js > $@

$(TARGET): $(ELM_FILES) $(ELM)
	$(ELM) make $(ELMMAKE_FLAGS) $(SOURCE) --output $@

clean-deps:
	rm -rf bin
	rm -rf elm-stuff

clean:
	rm -f $(TARGET)
	rm -rf elm-stuff/build-artifacts