.DEFAULT_GOAL := all

include config.mk

# === BUILD ENVIRONMENT ===
SRC := src
BIN := bin
BUILD := build

# === MACRO DEFINITIONS ===
define objpath
$(addprefix $(BUILD)/,
	$(addsuffix .o,
		$(basename $(1))))
endef
define mkobj
$(foreach DEP, $?,
	mkdir -p $(dir $(call objpath, $(DEP)))
	$(CC) $(CFLAGS) $1 -o $(call objpath, $(DEP)) -c $(DEP))

$(LD) -r $(LDFLAGS) -o $@ $(call objpath, $?)
endef

# === BUILD TARGETS ===
all: tests

.PHONY: tests
tests: $(BIN) $(BIN)/ct_test

$(BIN)/ct_test: $(BUILD) $(addprefix $(BUILD)/, ct_test.o term.o termio.o)
	$(LD) $(LDFLAGS) -o $@ $(filter %.o, $^)

$(BUILD)/%.o: $(SRC)/%.c
	$(CC) $(CFLAGS) -o $@ -c $^

$(BUILD) $(BIN):
	mkdir -p $@
	
# === DEVELOPMENT TARGETS ===
.PHONY: debug
debug:
	$(MAKE) all                      \
		CFLAGS="$(CFLAGS) $(CDEBUG)"  \
		CLDFLAGS="$(LDFLAGS) $(LDDEBUG)"

# === UTILITY TARGETS ===
.PHONY: clean
clean:
	- rm -rf $(BUILD) $(BIN) vgcore.* 2>/dev/null