.DEFAULT_GOAL := all

include config.mk

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

LIB := lib
CLI := cli

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

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

# === BUILD TARGETS ===
all: $(BUILD) $(BIN) $(addprefix $(BIN)/,pw-test shfx dorne)
$(BIN)/pw-test: $(addprefix $(LIB)/, main.c)
	$(CC) $(CFLAGS) -o $(BUILD)/pw-test.o -c $^
	$(CLD) $(CLDFLAGS) -o $@ $(BUILD)/pw-test.o
	
$(BIN)/shfx: shfx/main.c
	$(CC) $(CFLAGS) -o $(BUILD)/shfx.o -c $^
	$(CLD) $(CLDFLAGS) -lncurses -o $@ $(BUILD)/shfx.o

$(BIN)/dorne: $(addprefix $(BUILD)/,dorne.o epty.o)
	$(CLD) $(CLDFLAGS) -o $@ $^
	
$(BUILD) $(BIN):
	mkdir -p $@

$(BUILD)/dorne.o: $(addprefix $(CLI)/, main.c)
	$(mkobj)
$(BUILD)/epty.o: $(addprefix $(CLI)/, epty.c _pty.c)
	$(mkobj)

# $1/%.o: $1/%.c

# === DEVELOPMENT TARGETS ===
.PHONY: debug run test
debug:
	$(MAKE) all                         \
		CFLAGS="$(CFLAGS) $(CFLAGS_DBG)"  \
		CLDFLAGS="$(CLDFLAGS) $(CLDFLAGS_DBG)"
run: debug
	- command $(BIN)/pw-test
test: clean run

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