CC = gcc
CCFLAGS = -Wall
BUILDDIR = build
SRCS = pureoption-example.c pureoption.c
OBJS = $(addprefix $(BUILDDIR)/, $(patsubst %.c,%.o,$(SRCS)))
OUT = pureoption-example

.PHONY: all format clean
.PRECIOUS: $(BUILDDIR)/. $(BUILDDIR)%/.

all: $(OUT)

debug: CCFLAGS += -g
debug: all

$(BUILDDIR)/.:
	mkdir -p $@

$(BUILDDIR)%/.:
	mkdir -p $@

$(OUT): $(OBJS)
	$(CC) $^ -o $(OUT) $(LDFLAGS)

.SECONDEXPANSION:

$(BUILDDIR)/%.o: %.c | $$(@D)/.
	$(CC) $(CCFLAGS) -c $< -o $@

format:
	clang-format -i *.c *.h

clean:
	rm -rf $(BUILDDIR)
	rm -f $(OUT)