GHC_VERSION = $(shell ghc --numeric-version)
HAPPY = happy
HAPPY_OPTS = -a -g -c -i/tmp/t.info
ALEX = alex
ALEX_OPTS = -g

SRC = src
CABAL_BUILD = $(shell ./find-build.cl)

all: parsers lexers

parsers: $(CABAL_BUILD)/Rlp/Parse.hs $(CABAL_BUILD)/Core/Parse.hs \
		$(CABAL_BUILD)/Rlp/AltParse.hs
lexers: $(CABAL_BUILD)/Rlp/Lex.hs $(CABAL_BUILD)/Core/Lex.hs

$(CABAL_BUILD)/Rlp/Parse.hs: $(SRC)/Rlp/Parse.y
	$(HAPPY) $(HAPPY_OPTS) $< -o $@

$(CABAL_BUILD)/Rlp/AltParse.hs: $(SRC)/Rlp/AltParse.y
	$(HAPPY) $(HAPPY_OPTS) $< -o $@

$(CABAL_BUILD)/Rlp/Lex.hs: $(SRC)/Rlp/Lex.x
	$(ALEX) $(ALEX_OPTS) $< -o $@

$(CABAL_BUILD)/Core/Parse.hs: $(SRC)/Core/Parse.y
	$(HAPPY) $(HAPPY_OPTS) $< -o $@

$(CABAL_BUILD)/Core/Lex.hs: $(SRC)/Core/Lex.x
	$(ALEX) $(ALEX_OPTS) $< -o $@