CC := gcc -Wall -Wextra -Wpedantic -Werror -Iinclude -std=c11 -g


all: build test-iftun ext-in ext-out

build:
	-mkdir build

ext-in: build/ext-in.o build/extremite.a
	$(CC) $(CFLAGS) $^ -o $@

ext-out: build/ext-out.o build/extremite.a
	$(CC) $(CFLAGS) $^ -o $@

build/ext-in.o: src/ext-in.c src/extremite.h
	$(CC) $(CFLAGS) $< -c -o $@

build/ext-out.o: src/ext-out.c src/extremite.h
	$(CC) $(CFLAGS) $< -c -o $@

build/extremite.a: build/extremite.o
	ar rcs $@ $<

build/extremite.o: src/extremite.c src/extremite.h
	$(CC) $(CFLAGS) $< -c -o $@

test-iftun: build/test-iftun.o build/iftun.a
	$(CC) $(CFLAGS) $^ -o $@

build/test-iftun.o: src/test-iftun.c src/iftun.h
	$(CC) $(CFLAGS) $< -c -o $@

build/iftun.a: build/iftun.o
	ar rcs $@ $<

build/iftun.o: src/iftun.c src/iftun.h
	$(CC) $(CFLAGS) $< -c -o $@

clean:
	-rm -f $(BUILD_DIR)/*.o
	-rm -f $(BUILD_DIR)/*.d