# /!\ Warning /!\
# Parallel build doesn't work with w64devkit 

OUTNAME = flisp

CFLAGS = -O0 -Wall -Wextra -g -pipe -Wno-cast-function-type 

CC = gcc

LDFLAGS_UNIX = -lm
LDFLAGS_WIN = -lm

# ===== End of what should be edited =====

OUTPUT = "${OUTNAME}.amd64"

LDFLAGS = $(LDFLAGS_UNIX)

BUILD_DIR = build
SRC_DIR = src

OBJS = $(patsubst $(SRC_DIR)/%.c,build-tmp/%.o,$(wildcard $(SRC_DIR)/*.c))

all: | builddir yacc build builddir2

windef:
	$(eval OUTPUT = "$(OUTNAME).exe")
	$(eval BUILD_DIR = build-win)
	$(eval LDFLAGS = $(LDFLAGS_WIN))
	$(eval CFLAGS += -mno-ms-bitfields -D win)

builddir:
	@- mkdir $(BUILD_DIR)
	@- mkdir build-tmp
	@- rm -rf $(wildcard build-tmp/*)
	@- mv $(wildcard $(BUILD_DIR)/*.o) build-tmp/

yacc: src/parser.y src/parser.l
	cd src && yacc -d -g parser.y && lex parser.l 
	$(CC) -c src/y.tab.c -o build-tmp/y.tab.o $(CFLAGS)
	$(CC) -c src/lex.yy.c -o build-tmp/lex.yy.o $(CFLAGS)

build-tmp/%.o : $(SRC_DIR)/%.c
	${CC} -c $< -o $@ ${CFLAGS} 

build: $(OBJS)
	${CC} ${CFLAGS} -o ${OUTPUT} $(OBJS) ${LDFLAGS}

builddir2:
	@mv $(OBJS) $(BUILD_DIR)
	@rm -rf build-tmp

win: | windef all
	
testwin: win
	./$(OUTPUT)

test: all
	@echo "===== Program output ====="
	@./${OUTPUT}

clean:
	- rm -rf ${BUILD_DIR}
	- rm -rf build-win
	- rm -rf build-tmp
	- rm "$(OUTNAME).amd64" "$(OUTNAME).exe"
	- rm src/lex.yy.c src/y.tab.c src/y.tab.h 

.NOTPARALLEL: builddir yacc builddir2 
.PHONY: all test clean win windef builddir builddir2 testwin yacc