CC = gcc
CFLAGS = -std=c99 -O3 -Wall -Wextra -Wpedantic -Wstrict-aliasing
CFLAGS += -Wfloat-equal -Wundef -Wshadow -Wpointer-arith -Wcast-align
CFLAGS += -Wstrict-prototypes -Wstrict-overflow=5 -Wwrite-strings
CFLAGS += -Wcast-qual -Wswitch-default -Wswitch-enum
CFLAGS += -Wconversion -Wunreachable-code
# for asprintf() and getline()
CFLAGS += -D_GNU_SOURCE
CFLAGS += -Iinclude
LDFLAGS =

NAME = modfetch

SRC = src
_PROG = modfetch.c
PROG = $(addprefix $(SRC)/, $(_PROG))
_LIB = config.c semver.c util.c
LIB = $(addprefix $(SRC)/, $(_LIB))
OBJ = $(_PROG:.c=.o) $(_LIB:.c=.o)
BIN = target
_MOD = $(wildcard modules/*.c)
MOD = $(_MOD:modules/%=%)

.PHONY: all clean

all: dirs modules $(NAME)

modules: dirs $(MOD:.c=.so)

dirs:
	mkdir -p $(BIN)

$(NAME): $(OBJ)
	$(CC) $(addprefix $(BIN)/, $^) $(LDFLAGS) -o $(BIN)/$@

%.so: modules/%.c $(LIB)
	$(CC) $^ -shared -fPIC $(CFLAGS) $(LDFLAGS) -o $(BIN)/$@

%.o: src/%.c
	$(CC) -c $< $(CFLAGS) -o $(BIN)/$@

clean: clean_modules
	rm -rf $(addprefix $(BIN)/, $(OBJ))
	rm -rf $(BIN)/$(NAME)

clean_modules:
	rm -rf $(wildcard $(BIN)/*.so)