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
LDFLAGS =

SRC = modfetch.c
OBJ = $(BIN)/$(SRC:.c=.o)
BIN = target
TEMPMOD = $(wildcard modules/*.c)
MOD = $(TEMPMOD:modules/%=%)
PROGRAM = modfetch

.PHONY: all clean

all: dirs modules $(PROGRAM)

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

dirs:
	mkdir -p ./$(BIN)

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

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

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

clean: clean_modules
	rm -rf $(OBJ)
	rm -rf $(PROGRAM)

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