CGI_EXEC ?= main.cgi

BD ?= build
SD ?= src
LIBS_DIR ?= libs
LIBS ?= $(wildcard $(LIBS_DIR)/*)

LDFLAGS ?= -L$(BD)/ -lcgic -lqments

SRC_FILES := $(shell find $(SD) -name *.c)
OBJ_FILES := $(patsubst $(SD)/%.c,$(BD)/%.o,$(SRC_FILES))

INCLUDE_DIRS = -Ilibs/qments/include -Ilibs/cgic
LIB_TARGETS = $(patsubst $(LIBS_DIR)/%,$(BD)/lib%.a,$(LIBS))

$(BD)/libcgic.a:
	$(MAKE) -C $(LIBS_DIR)/cgic
	cp $(LIBS_DIR)/cgic/libcgic.a $(BD)

$(BD)/libqments.a:
	$(MAKE) -C $(LIBS_DIR)/qments static
	cp $(LIBS_DIR)/qments/$(BD)/libqments.a $(BD)

$(BD)/$(CGI_EXEC): $(OBJ_FILES)
	$(CC) $(INCLUDE_DIRS) $(CFLAGS) $^ -o $@ $(LDFLAGS)

$(BD)/%.o: $(SD)/%.c $(LIB_TARGETS)
	mkdir -p $(@D)
	$(CC) $(INCLUDE_DIRS) $(CFLAGS) -c $< -o $@ $(LDFLAGS)

all: $(BD)/$(CGI_EXEC)

clean:
	rm -rfI $(BD)/

.PHONY: all clean